Reputation and Disclosure in Dynamic Networks
Abstract: We develop a continuous-time model of reputational disclosure in directed networks of biased intermediaries with career concerns. A payoff-relevant fundamental follows a diffusion and a decision maker chooses actions to track it. Experts obtain verifiable signals that reach the decision maker only if relayed by intermediaries. Intermediaries choose whether to forward evidence and an observable disclosure clock that controls the arrival rate of disclosure opportunities. Because clocks are public, silence is state dependent: when the clock is on, delay is informative and reputationally costly; when it is off, silence is mechanically uninformative. Disclosure becomes a real option on reputational capital. Along any expert-decision maker path, Markov perfect Bayesian equilibria are ladder policies with finitely many posterior cutoffs, and clock-off windows eliminate knife-edge mixing. With sufficiently high reputational stakes and low discounting, dynamic incentives rule out persistent suppression and guarantee eventual transmission of all verifiable evidence along the path, even when bias reversals block static unraveling. We then study network design and formation. Absent the high-reputation regime, among trees exactly the bias-monotone ones sustain disclosure. Under homogeneous reputational intensities the bias-ordered line is dynamically optimal; with heterogeneous intensities, optimal design screens by topology, placing high-reputation intermediaries on direct parallel routes rather than in series. In an endogenous link-formation game, pairwise stable networks can be inefficiently sparse or redundantly dense because agents ignore the option-value externalities their links create or destroy for others' reputational assets.
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Overview: What this paper is about
This paper studies how truthful, checkable information (like audit reports or test results) travels through a web of people who pass messages along to a final decision maker. These “go-betweens” may be biased (they prefer the decision to be higher or lower), but they also care a lot about their reputation. A special twist is that each go-between can choose a visible “reporting clock” that controls when they can speak. Because others can see whether the clock is on or off, silence can sometimes be meaningful (and hurt your reputation) and sometimes not. The big idea: choosing when to speak becomes like holding a real option on your reputation—you can wait to speak, but waiting can cost you reputation if people think you’re hiding something.
The main questions in simple terms
- When information has to pass through several people (a chain or network), and those people have their own preferences, will the truth eventually get through?
- How does the timing of messages—and the meaning of silence—affect what gets shared?
- Which network shapes (who connects to whom) help or block the flow of truth over time?
- How do reputations and the ability to “pause” your reporting change behavior?
- If people can choose which links to form, will the resulting network share information well for society as a whole?
How the authors study it (using everyday analogies)
Think of a school rumor (but make it a truthful, verifiable fact—like a signed note from the principal). That fact starts with an “expert” and needs to reach the head teacher (the decision maker). It moves through classmates who can pass it on or hold it back. Each classmate:
- Has a bias: maybe they prefer the final decision to be higher (lenient) or lower (strict).
- Also cares about reputation: they want others to see them as reliable and transparent.
Two key tools model how this plays out over time:
- A wiggly world: The “true number” the decision maker cares about moves around unpredictably (like a wobbly line). This just means the world changes, and new facts can appear.
- Reporting clocks: Each messenger publicly chooses a “cadence” (how often they can report). Imagine flipping a visible switch: clock ON means you could get a chance to speak at any moment; clock OFF means you won’t speak for a short, announced window. Because the clock is visible:
- If your clock is ON and you stay silent, people suspect you’re hiding something (this can harm your reputation).
- If your clock is OFF, your silence is “mechanical” (no chance to speak), so it doesn’t hurt your reputation.
This turns timing into an option-like choice: waiting preserves the option to speak later, but silence can be costly when others expect you to talk.
The authors analyze behavior along a single path (expert → … → decision maker) and then embed that into whole networks. They use equilibrium ideas (everyone’s choices make sense given others’ choices) and find simple “threshold” rules: disclose when beliefs cross certain cutoffs (a “ladder” of thresholds), and use short, visible pauses to avoid coin-flip style randomization.
The main findings and why they matter
1) Along a single chain, reputations and clocks can restore eventual truth-telling
- Static theory says one “bias reversal” (someone who prefers the opposite direction from others) can block full disclosure, even with perfectly verifiable facts.
- This paper shows that when reputations matter a lot and players are patient, dynamic timing incentives fix this: eventually, all verifiable facts get through along any chain.
- Why: silence with the clock ON hurts reputation. So, over time, even biased messengers are pushed to pass evidence on. Disclosures follow a simple, step-like “ladder” of belief thresholds (think: don’t speak inside the safe zone; speak once beliefs cross a line).
Why it matters: It explains how reputational pressure and visible reporting schedules can overcome bias and encourage full transparency over time.
2) Which network shapes help disclosure?
- Define “disclosure-sustaining” networks as those where all verifiable evidence eventually reaches the decision maker.
- In tree-like networks (no cycles), if we don’t assume strong reputational/patience conditions, the networks that sustain disclosure are exactly the “bias-monotone” ones: along every simple path, biases move in one direction (no reversals).
- If reputations are strong and players are patient along all relevant paths, then any tree sustains disclosure. In that case, network shape affects speed and welfare (how good outcomes are), not whether truth gets through.
Why it matters: It guides how to design reporting structures. If reputations are weak or short-term, you want paths where biases don’t flip direction. If reputations are strong, you have more freedom and focus on speeding things up.
3) Best designs with similar vs. different reputational sensitivities
- If everyone’s reputation matters equally, the best tree (for speed and welfare) is a simple line sorted by bias (from most “low” to most “high” or vice versa).
- If some people are much more reputation-sensitive than others, it can be better to give them direct, parallel paths (“reputational stars”) rather than placing them in the middle of a chain. That way, their faster, more disciplined disclosure isn’t slowed by others.
Why it matters: It suggests putting your most responsible or reputation-sensitive intermediaries on direct lines to the decision maker.
4) Network formation can be too sparse or too dense
- When agents choose links themselves, the resulting network can be under-connected (missing useful links) or over-connected (too many links that dilute reputational incentives).
- Reason: links create or destroy “real-option” value for others’ reputations, and individuals don’t fully account for these effects on everyone else.
Why it matters: There’s a role for smart design or regulation—left alone, networks might not share information in the best way for society.
5) Clear, testable predictions about timing
Based on the model, you should see the following in real data (analyst reports, ratings, audits, policy briefings):
- More uncertainty → longer quiet periods and bursts of disclosures (clustered “flurries”).
- Higher reputational stakes → faster, more frequent disclosures (shorter “under review” periods).
- Directional bias → asymmetric delays (e.g., an upward-biased messenger passes good news faster and bad news slower).
These are practical, measurable patterns.
Why this matters and what it could change
- For finance, ratings, policy, and AI safety, the paper explains when reputations and visible reporting schedules can push biased intermediaries to share all verifiable evidence over time.
- It shows how to design networks (who reports to whom) to avoid bottlenecks and speed up transparency—especially by:
- Ordering paths by bias when reputations are similar,
- Giving the most reputation-sensitive intermediaries direct lines,
- Using visible “clock-off” windows (announced pauses) to make silence uninformative during those windows and encourage clean, threshold-based disclosure.
- It warns that letting people form links freely may not produce the best network for society. Policymakers or platform designers might need to nudge the network to the right connectivity.
In short: Make reporting schedules visible, leverage reputations, and design paths wisely. Do that, and even biased messengers will, over time, pass along all the truth that can be checked.
Knowledge Gaps
Knowledge gaps, limitations, and open questions
The following points summarize what remains missing, uncertain, or unexplored in the paper, framed as concrete, actionable directions for future research:
- Relax the hard-verifiability assumption by allowing partially verifiable or non-verifiable (cheap-talk) messages; characterize when the ladder/pure-threshold selection survives and how reputational clocks discipline misreporting in the presence of noise or falsification risk.
- Decouple information arrival from disclosure opportunities: let raw evidence arrive exogenously (or via costly effort) while clocks gate only disclosure, and analyze how this changes the informativeness of silence and option-exercise thresholds.
- Introduce explicit costs or constraints for turning clocks on/off or for operating at higher intensity, and study how such costs reshape equilibrium cadence choices and the elimination of mixed strategies.
- Allow imperfect or noisy observability of clocks (e.g., audiences observe scheduled cadences with error, or only commitments but not real-time status) and determine whether informative silence still disciplines behavior and whether pure thresholds persist.
- Endogenize information acquisition effort at expert nodes (e.g., effort raises evidence arrival intensity) and derive joint effort–clock–disclosure policies and their welfare implications.
- Permit correlated Poisson clocks across agents and correlation with the fundamental , and assess how correlation changes inference from silence and the value of network redundancy.
- Analyze robustness to non-Gaussian fundamentals (e.g., jump diffusions, heavy tails, regime shifts) and quantify how jump risks alter inaction regions and bunching of disclosures.
- Extend from one-dimensional to multi-dimensional fundamentals and multi-attribute biases; determine whether a tractable multidimensional “ladder” (or set-valued thresholds) exists.
- Replace the scalar reputation with richer (possibly vector) reputational states (e.g., competence and transparency separately) and study identifiability from disclosure timing versus content.
- Relax common-knowledge biases: let be unknown and learned over time together with transparency; characterize joint posteriors and how uncertainty about preferences interacts with timing incentives.
- Specify and test alternative microfoundations for the reputational payoff term (e.g., market-share or access-to-projects models), and explore how different curvatures affect disclosure thresholds and clock choices.
- Provide existence, uniqueness, and continuity results for Markov Perfect Bayesian Equilibria beyond the high-reputation/patient regime; map regions of multiplicity and develop selection criteria when pure thresholds do not obtain.
- Quantify precisely the “high-/low-” conditions needed for dynamic restoration of unraveling and derive tight, primitive parameter bounds in the general (non-LQG) model.
- Formalize off-path beliefs for unexpected clock patterns or silence outside prescribed windows, and assess how alternative belief refinements alter equilibrium discipline.
- Characterize equilibria when intermediaries choose which subset of out-neighbors to forward to (path selection) in networks with multiple available routes; analyze preemption races and strategic routing beyond fixed-path embeddings.
- Move beyond trees to general directed graphs with redundancy and cycles; provide a full characterization of disclosure-sustaining topologies under arbitrary parameters, including when redundancy mitigates bias reversals.
- Study the dynamic interaction of parallel paths (redundant routes) with heterogeneous reputational intensities, including free-riding, preemption, and attribution races, and their effect on option values and welfare.
- Enrich the network-formation game: allow multi-lateral deviations, dynamic link turnover, and endogenous link costs that depend on reputational states; compare pairwise stability to stronger efficiency concepts.
- Quantify the two-sided externalities of links (activating fast ladders vs. destroying others’ option values) in closed form for key classes of networks, and derive implementable Pigouvian link taxes/subsidies.
- Incorporate receiver-side instruments (commitment, contracting, attention allocation, or routing design) and solve the principal’s joint problem of network architecture and clock-regulation to maximize welfare.
- Model regulatory or institutional constraints on “clock-off” windows (e.g., maximum blackout durations, mandated cadences) and compute their effects on timing, reputational discipline, and welfare.
- Introduce collusion or coordinated timing among intermediaries (e.g., coalitions synchronizing pauses) and analyze how coordination reshapes inference from silence and the network option portfolio.
- Allow capacity constraints or queueing in relaying multiple signals (e.g., processing limits), and study how congestion interacts with inference from delay and clock scheduling.
- Account for exogenous reputational shocks (e.g., external audits or media events) that update outside the network’s disclosure process and evaluate how these shocks complement or substitute clock discipline.
- Examine finite-horizon, career-stage, or changing-discount-rate environments where and effective patience vary over time; determine implications for late-career withholding or front-loading of disclosures.
- Provide computational and numerical methods for solving free-boundary problems in general diffusions (beyond the OU–quadratic case), including algorithms to compute thresholds and comparative statics.
- Derive additional testable predictions that differentiate this model from static unraveling or single-sender timing models (e.g., cross-route preemption signatures, topology-dependent burstiness) and outline empirical designs.
- Empirically measure “clocks” and “local silence windows” in real data (analyst calendars, rating review schedules, audit timetables) to validate the model’s identification of informative silence versus mechanical pauses.
- Explore identification of and bias from observed timing and content histories in networks; develop structural estimation strategies and discuss data requirements.
- Investigate strategic manipulation of clocks (e.g., gaming by frequent trivial disclosures or “flooding”) and design countermeasures (minimum materiality, bundling rules) within the model.
- Analyze the welfare and distributional consequences of topology choices when reputational sensitivities are heterogeneous (e.g., who gains/loses from “reputational stars”), and provide guidance for equitable design.
- Consider environments with multiple decision makers (competing principals) who share or compete for intermediaries, and study cross-market reputational spillovers and clock externalities.
- Introduce legal/liability risk for suppression or for mistaken disclosures even with verifiability, and quantify how liability reshapes timing incentives and option values.
- Endogenize the probability that an intermediary actually holds a pending signal when the clock is on, and model audiences’ beliefs over “no news” versus “strategic withholding” to clarify when silence is reputationally damaging.
- Provide robustness checks for the claim that “short clock-off windows eliminate knife-edge randomization,” including minimal window lengths under incomplete observability or timing frictions.
Practical Applications
Immediate Applications
Below are actionable use cases that can be deployed with existing institutional practices (e.g., scheduled reporting, audit calendars, public status dashboards) and minimal new technology. Each item specifies sectors, potential tools/workflows/products, and feasibility notes.
- Finance and capital markets: disclosure cadence governance for analysts and raters
- Use case: Broker research, credit rating, and ESG rating firms publish explicit disclosure clocks (review calendars) and short, public “pause” windows when withholding, so downstream investors can interpret silence appropriately and avoid knife‐edge inference.
- Tools/workflows/products:
- Disclosure cadence manager: software to set, publish, and monitor research/rating review intensities and pause windows.
- Silence analytics: dashboards flagging informative silence when a channel is “on,” tracking “under review” durations, clustering of actions, and sign-asymmetric delays.
- Ladder policy calculator: threshold rules for when to accelerate or defer reports given volatility and reputational stakes.
- Network audit service: maps analyst/rating networks, checks for bias reversals on paths, recommends bias-ordered reporting routes.
- Assumptions/dependencies: Signals are verifiable (e.g., documented analysis, modelled credit factors); published calendars are credible and observable; compliance with existing disclosure regulations; approximate rational interpretation of silence by market participants.
- Corporate reporting and investor relations: structured cadence and pause announcements
- Use case: Firms formalize reporting cadences for earnings guidance, KPIs, and “under review” labels; board committees oversee short, observable pause windows rather than open-ended silence.
- Tools/workflows/products:
- IR cadence charters and pause policies embedded in disclosure controls and procedures.
- Event-driven triggers aligned with ladder thresholds (e.g., volatility bands for accelerated 8-Ks).
- Compliance dashboards that track silence-then-flurry patterns and reputational exposure.
- Assumptions/dependencies: Verifiable, auditable disclosures; Reg FD and securities law compatibility; internal monitoring of market volatility; governance buy-in.
- AI safety and evaluation ecosystems: audit cadence and network design
- Use case: AI labs and independent audit organizations publish audit schedules (model cards, safety evaluations), use short “clock-off” periods when testing is paused, and route critical findings through high-reputation-sensitive auditors on direct paths to regulators or enterprise users.
- Tools/workflows/products:
- Audit cadence registry (public or industry consortium): standardized calendars, pause notices, and status feeds.
- Reputational star architecture: assign highly accountable auditors to direct, parallel routes to key decision makers to avoid bottlenecks.
- Threshold gating: internal ladders specifying when to disclose eval results or trigger red-team expansions.
- Assumptions/dependencies: Verifiable evidence (test logs, benchmarks) and auditability; willingness to publish cadence and pauses; regulator and enterprise buyer recognition of informative silence.
- Public policy and central banking: think-tank networks and advisory processes
- Use case: Central banks and policy bodies require public calendars for external research briefings and scenario releases; silence during active windows is treated as informative, prompting earlier clarification or mandated pause notices.
- Tools/workflows/products:
- Advisory cadence protocols for external contributors (think tanks, forecast providers).
- Network topology check: avoid bias reversals along advisory chains; introduce parallel direct routes from diverse but reputationally disciplined contributors.
- Silence-triggered check-ins: workflow to solicit missing reports when clocks are “on.”
- Assumptions/dependencies: Verifiable memos/replicable analyses; clear conflict-of-interest disclosures (bias parameters); administrative capacity to manage calendars and interpret silence.
- Certification and compliance platforms (cybersecurity, product safety, app marketplaces)
- Use case: Certifiers publish review cadences and short pause windows for “under evaluation”; marketplace dashboards display active vs paused channels so developers/users interpret delays correctly.
- Tools/workflows/products:
- Public status dashboards exposing cadence and pause flags.
- Disclosure ladder templates for issuing advisories/security bulletins based on risk volatility.
- Network re-design to place the most reputation-sensitive certifiers on direct routes for high-risk categories.
- Assumptions/dependencies: Evidence is auditable/verifiable (test results, scans); platform policy to publish cadence; alignment with incident response SLAs.
- Clinical research transparency and registries
- Use case: Trial sponsors pre-specify update cadences on registries and post short, explicit pause windows (e.g., DSMB reviews) so regulators, clinicians, and patients can interpret delays correctly.
- Tools/workflows/products:
- Registry add-ons for cadence publication and pause tagging.
- Silence analytics to detect abnormal delay clusters and sign-asymmetric reporting patterns (good vs bad news).
- Assumptions/dependencies: Verifiable updates (preregistered outcomes, protocol amendments); ethics/regulatory acceptance of cadence disclosures; patient privacy safeguards.
- Academic publishing and peer review integrity
- Use case: Journals and preprint servers publish review/decision cadence metrics and explicit pause windows (e.g., special statistical checks), reducing opacity and reputationally disciplining undue delays.
- Tools/workflows/products:
- Editorial cadence monitors and pause reasons; transparency pages for submission-to-decision timelines.
- Replication/audit “stars”: direct, parallel routes to independent methods editors for high-stakes results.
- Assumptions/dependencies: Willingness to expose review calendars; standardized reasons for pauses; maintenance of blind review integrity.
- Platformized “silence intelligence” for stakeholders
- Use case: Cross-sector analytics that score entities’ cadence discipline, informative silence risk, and clustering, aiding investors, regulators, procurement teams, or consumers in trust decisions.
- Tools/workflows/products:
- API and dashboards scoring “cadence adherence,” “pause hygiene,” and “asymmetric delay” by topic.
- Alerts when an entity’s channel is “on” but silent beyond historical/peer thresholds.
- Assumptions/dependencies: Public access to cadence/pause disclosures; sector-specific calibration of thresholds; data integration with calendars and feeds.
Long-Term Applications
These applications require additional research, standardization, data infrastructure, or regulatory development before broad deployment.
- Network design and regulation for disclosure-sustaining topologies
- Use case: Regulators and platforms design or mandate bias-monotone advisory/reporting trees where feasible; where not feasible, enforce parallel direct paths via high-reputation-sensitive nodes (“reputational stars”) to restore eventual transmission.
- Tools/workflows/products:
- Network optimizer that recommends bias-ordered lines (homogeneous reputational intensity) or star architectures (heterogeneous intensities).
- Regulatory guidance codifying disclosure-sustaining topologies for critical information systems (finance, health, AI safety).
- Assumptions/dependencies: Ability to estimate directional biases and reputational intensities; legal authority to rewire advisory/reporting networks; stakeholder compliance.
- Real-options valuation of information links and pairwise-stable network formation
- Use case: Firms and agencies price the option value their links create/destroy for others’ reputational assets; adjust syndication, coverage, or audit partnerships to internalize externalities (mitigating under- or over-connection).
- Tools/workflows/products:
- Link valuation engine: computes expected option value of adding/removing information routes given diffusion volatility and reputational parameters.
- Contracting templates (fees, SLAs) that align private incentives with utilitarian benchmarks.
- Assumptions/dependencies: Data to calibrate diffusion (volatility), discounting, and reputational payoffs; willingness to share link-level performance data; advanced contractual frameworks.
- Standardized disclosure clock protocols and reporting cadence regulation
- Use case: Sector-wide standards for “active” vs “paused” channels, pause-length limits, and required metadata to make silence meaning consistent and auditable (e.g., ISO-like standards for cadence).
- Tools/workflows/products:
- Open protocol for cadence metadata and machine-readable pause reasons.
- Certification program for “cadence-compliant” organizations.
- Assumptions/dependencies: Multi-stakeholder standard-setting; harmonization with existing disclosure laws; monitoring and enforcement mechanisms.
- Empirical validation and monitoring frameworks based on model predictions
- Use case: Supervisors and researchers test for uncertainty-driven clustering, reputational-intensity-driven speed, and bias-dependent asymmetric delays (P1–P3) to audit systems and detect strategic withholding.
- Tools/workflows/products:
- Econometric toolkits for continuous-time event analysis of disclosure streams.
- Sector benchmarks and anomaly detectors for “silence-then-flurry” episodes.
- Assumptions/dependencies: Longitudinal, high-resolution disclosure datasets; accepted proxies for volatility and reputational intensity; data-sharing agreements.
- Adaptive cadence and threshold learning with machine assistance
- Use case: Organizations learn optimal ladder thresholds (S–s policies) under changing volatility and reputation environments, using online learning and simulation.
- Tools/workflows/products:
- Simulation platforms that estimate optimal disclosure thresholds and pause windows under Ornstein–Uhlenbeck or other diffusion models.
- Policy engines that auto-suggest cadence adjustments subject to governance constraints.
- Assumptions/dependencies: Accurate modeling of fundamental dynamics; guardrails to avoid perverse incentives; human-in-the-loop oversight.
- Extension to non-verifiable communication and hybrid evidence
- Use case: Mixed environments where some messages are hard evidence and others are soft claims; develop reputational timing rules that combine verification opportunities with ex post audit risk.
- Tools/workflows/products:
- Hybrid disclosure policies integrating attestations, confidence levels, and later verification milestones.
- Audit-trigger mechanisms tied to prolonged silence in soft-information channels.
- Assumptions/dependencies: Credible ex post verification mechanisms; legal frameworks for soft claims; richer belief-updating models beyond simple posteriors.
- Cross-domain critical information infrastructures (health, energy, cybersecurity)
- Use case: System operators redesign incident and reliability reporting networks to ensure eventual, timely flow of verifiable evidence to control centers and regulators despite intermediary biases (vendors, regional operators).
- Tools/workflows/products:
- Cadence-aware incident reporting schemas with mandated pause notices.
- Parallel direct reporting channels to highly accountable hubs for severe events.
- Assumptions/dependencies: Sector regulation and interoperability standards; secure and auditable data pipelines; quantified reputational stakes for operators.
- Reputation as a tradable asset and market design
- Use case: Formalize and (partially) trade exposure to reputational capital via contracts contingent on cadence compliance and disclosure performance; structure marketplaces for reputational risk transfer (e.g., guarantees by high-reputation auditors).
- Tools/workflows/products:
- Reputational derivatives or insurance tied to disclosure adherence and ex post accuracy.
- Attestation marketplaces where high-reputation entities license their direct routes (subject to governance).
- Assumptions/dependencies: Robust measurement of reputational capital; legal clarity on insurability/transferability; safeguards against moral hazard.
- Education and public communication literacy
- Use case: Training programs teach stakeholders to read “active vs paused” channels and interpret informative silence, improving collective inference in high-stakes domains.
- Tools/workflows/products:
- Curriculum modules and micro-credentials on cadence literacy for analysts, journalists, policymakers, and the public.
- Public dashboards that visualize cadence and silence risk for major institutions.
- Assumptions/dependencies: Availability of cadence metadata; institutional participation; evidence-based pedagogy.
These applications leverage four core innovations from the paper: (1) publicly observable disclosure clocks that make silence state-dependent and interpretable; (2) ladder (threshold) policies for disclosure timing; (3) topology rules (bias-monotone vs reputational star designs) that govern feasibility and speed; and (4) a real-options view of reputational capital and links, enabling valuation and network formation insights.
Glossary
- Bayesian best responder: A decision maker who chooses the optimal action based on current beliefs (posterior) about the state. "The decision maker is modeled as a Bayesian best responder once verifiable evidence is disclosed;"
- Bias-monotone: A property of a network where intermediaries’ biases can be ordered so that along any path they move in a single direction (no reversals). "among trees these are exactly the bias-monotone ones."
- Bias reversal: A change in the sign of bias along a path that can block full disclosure in static models. "even with bias reversals that block static unraveling."
- Bliss point: The action level that minimizes an agent’s loss (preferred action). "We normalize the DM's bliss point so that her flow payoff from action when the fundamental is is"
- Bounded variation: A process whose total variation over any interval is finite (no martingale component). "loses its martingale part and evolves with bounded variation (only this component, not the full posterior)."
- Brownian motion: A continuous-time stochastic process with independent, normally distributed increments. "where is a standard Brownian motion"
- Career-concerns motive: Incentives arising because current actions affect beliefs about an agent’s type and thus future payoffs. "our intermediaries face a career-concerns motive: disclosure and clock choices shift the public posterior about their informational quality and or transparency, which in turn determines future influence and payoffs through the reputational term ."
- Cheap talk: Non-verifiable communication that can be costlessly falsified or ignored. "in the spirit of classic cheap-talk and disclosure models,"
- Directed arborescence: A directed tree rooted at a node where each node has a unique directed path to the root. "trees (directed arborescences rooted at the decision maker, so that every node has a unique directed path to $0$)."
- Disclosure clock: A publicly observable process that controls when verification/disclosure opportunities occur on an agent’s outgoing links. "each intermediary chooses a disclosure clock: a publicly observed intensity process (a reporting cadence) that gates Poisson arrivals of verification/disclosure opportunities on their outgoing links."
- Disclosure-sustaining topology: A network structure that supports eventual transmission of all verifiable information to the decision maker. "we characterize disclosure-sustaining topologies."
- Drift: The expected instantaneous rate of change in a stochastic process. "where is a standard Brownian motion and the drift and volatility are globally Lipschitz and satisfy linear growth conditions."
- Filtration: An increasing family of σ-fields representing information available over time. "Time is continuous, , and uncertainty is represented on a filtered probability space satisfying the usual conditions."
- Free-boundary characterization: Solving for optimal thresholds by determining boundaries that make value functions satisfy certain conditions. "we sometimes specialize to a stationary linear-quadratic-Gaussian benchmark (an Ornstein-Uhlenbeck fundamental and quadratic losses) to obtain a sharp free-boundary characterization of equilibrium disclosure."
- Globally Lipschitz: A function whose rate of change is bounded everywhere, ensuring well-posedness of SDE solutions. "are globally Lipschitz and satisfy linear growth conditions."
- Hard information: Verifiable evidence that cannot be fabricated or misrepresented once disclosed. "We focus on hard information (verifiable evidence);"
- Impulse-control: Optimization in continuous time via discrete interventions that adjust the system state. "impulse-control problems with adjustment costs generate - type policies and can be solved by characterizing value functions that satisfy boundary-value problems."
- Intensity process: The time-varying rate governing arrivals in a Poisson framework. "a publicly observed intensity process (a reporting cadence)"
- Itô diffusion: A stochastic process defined by a stochastic differential equation with drift and diffusion terms. "evolves as an It^{o} diffusion,"
- Knife-edge randomization: Fragile mixed-strategy behavior that occurs only at exact parameter values or states. "short clock-off windows eliminate knife-edge randomization."
- Ladder representation: A characterization of strategies via finitely many belief thresholds at which actions change. "Markov perfect Bayesian equilibria admit a ladder representation: disclosure and clock choices are pinned down by finitely many posterior cutoffs,"
- Linear growth conditions: Bounds ensuring that a process’s moments remain finite and solutions exist. "are globally Lipschitz and satisfy linear growth conditions."
- Linear-quadratic-Gaussian: A modeling setup with linear dynamics, quadratic losses, and Gaussian noise. "we sometimes specialize to a stationary linear-quadratic-Gaussian benchmark (an Ornstein-Uhlenbeck fundamental and quadratic losses)"
- Local silence window: An interval in which an agent’s disclosure clock is set to zero, pausing the channel. "We refer to such an interval as a local silence window for ."
- Markov perfect Bayesian equilibria: Equilibria with strategies depending only on current state and beliefs updated consistently over time. "Along any fixed expert-decision maker path, Markov perfect Bayesian equilibria admit a ladder representation:"
- Martingale part: The component of a process with zero drift (fair game property) in its decomposition. "loses its martingale part and evolves with bounded variation (only this component, not the full posterior)."
- Option-theoretic: An approach using financial option concepts to analyze choices under uncertainty. "option-theoretic discussions of reputation networks interpret links as exposures to others' reputational assets"
- Ornstein–Uhlenbeck fundamental: A mean-reverting Gaussian process used to model the fundamental in continuous time. "a stationary linear-quadratic-Gaussian benchmark (an Ornstein-Uhlenbeck fundamental and quadratic losses)"
- Pairwise stable networks: Networks where no pair of agents can add or delete a link to improve both of their payoffs. "pairwise stable networks can be either under-connected or over-connected relative to the utilitarian benchmark,"
- Poisson arrivals: Events that occur randomly over time according to a Poisson process. "gates Poisson arrivals of verification/disclosure opportunities on their outgoing links."
- Poisson process: A counting process with independent exponential inter-arrival times. "there exists a unit-intensity Poisson process , independent across and independent of ."
- Posterior cutoff: A belief threshold at which an agent switches from withholding to disclosing (or adjusts clock speed). "pinned down by finitely many posterior cutoffs,"
- Real option: The option-like ability to defer or accelerate a real action under uncertainty for future value. "Disclosure therefore becomes a real option written on reputational capital."
- Reporting cadence: The observable schedule or frequency of reporting/disclosure opportunities. "a publicly observed intensity process (a reporting cadence)"
- Reputational capital: The forward-looking value of an agent’s public reputation affecting future influence and payoffs. "values reputational capital, summarized by public beliefs about her type."
- Reputational intensity: The weight placed on reputation in an agent’s utility function. "Under homogeneous reputational intensities,"
- Sigma-field (σ-field): A collection of sets closed under complement and countable unions, forming the basis for probability. "We write for the -field generated by ;"
- S–s policy: A threshold policy with an inaction band and trigger points typical in real-options models. "akin to an - policy in real-options models."
- Topology: The structure of connections (nodes and links) in a network. "the set of possible paths is shaped by the network topology."
- Unraveling: Equilibrium in which all verifiable information is eventually disclosed. "Static hard-information disclosure delivers unraveling in bilateral environments"
- Utilitarian benchmark: The network or outcome that maximizes total (societal) welfare. "pairwise stable networks can be either under-connected or over-connected relative to the utilitarian benchmark,"
- Verification/disclosure opportunity: A moment when an agent can verify and transmit information downstream. "A jump time of is a verification/ disclosure opportunity for agent on her outgoing links."
- Volatility: The instantaneous magnitude of random fluctuations in a process. "the drift and volatility are globally Lipschitz and satisfy linear growth conditions."
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