{"schema_version":1,"research_id":"eoa_inverse_innovation_exp04_external_evaluation_20260802","source_assessment_id":"invariant_mode_decomposition_design__economics_finance:RETRIEVAL_FIRST:v0","cell_id":"invariant_mode_decomposition_design__economics_finance","search_queries":["debt restructuring creditor network centrality holdout sequencing consent solicitation","sovereign debt restructuring creditor coordination network centrality holdouts collective action clauses","corporate restructuring stakeholder network centrality creditor negotiation sequencing","debt restructuring creditor network centrality holdout negotiation sequencing","bankruptcy creditor network eigenvector centrality restructuring","patent creditor consent graph centrality debt restructuring negotiation","stakeholder network centrality negotiation sequencing creditors restructuring","\"Private Debt Renegotiation\" lender centrality full paper","\"centrality\" \"restructuring negotiations\" creditor","financial restructuring \"eigenvector centrality\" creditors","consent network centrality target sequencing negotiation voting coalition"],"sources":[{"source_id":"S1","title":"Supporting Firms in Restructuring and Recovery","publisher":"World Bank Group","url":"https://documents1.worldbank.org/curated/en/306401616131450724/pdf/Supporting-Firms-in-Restructuring-and-Recovery.pdf","source_class":"OFFICIAL_GUIDANCE","publication_date":"2021","accessed_at":"2026-08-02","claims_supported":["Out-of-court workouts permit creditor selection and negotiation but face coordination problems and creditor holdouts.","Established enhanced-workout mechanisms include inter-creditor accords, coordinating institutions, deadlines, incentives, and mechanisms capable of binding dissenting creditors.","These practices establish a close non-spectral baseline for the proposed sequencing method."]},{"source_id":"S2","title":"The Sovereign Debt Restructuring Process","publisher":"International Monetary Fund","url":"https://www.imf.org/-/media/files/news/seminars/2018/091318sovdebt-conference/chapter-8-the-debt-restructuring-process.pdf","source_class":"OFFICIAL_GUIDANCE","publication_date":"2018-09-04","accessed_at":"2026-08-02","claims_supported":["Sovereign restructurings can take too long and can impose prolonged economic and financial damage.","Complex debt structures and heterogeneous creditors make agreement extraordinarily challenging.","The debtor hires financial and legal advisers, and the IMF generally leaves restructuring strategy to the debtor and those advisers.","Holdout management, creditor engagement, participation incentives, confidentiality, securities-law constraints, and inter-creditor equity are established workflow considerations."]},{"source_id":"S3","title":"Sovereign Debt Information: Standard CACs, Pari Passu and Creditor Engagement Provisions","publisher":"International Capital Market Association","url":"https://www.icmagroup.org/resources-2/Sovereign-Debt-Information/","source_class":"STANDARD","publication_date":"2015-05","accessed_at":"2026-08-02","claims_supported":["ICMA publishes model collective-action, pari-passu, and creditor-engagement provisions intended to facilitate sovereign debt restructurings.","Contractual aggregation and majority-voting provisions are established alternatives to individually sequencing outreach against minority holdouts.","The page does not describe spectral centrality or consent-sensitivity ranking."]},{"source_id":"S4","title":"Private Debt Renegotiation and Financial Institutions' Network","publisher":"Université de Strasbourg, LaRGE Research Center","url":"https://ifs.u-strasbg.fr/large/publications/2020/2020-01.pdf","source_class":"PRIMARY_RESEARCH","publication_date":"2020-01","accessed_at":"2026-08-02","claims_supported":["The study directly applies degree, closeness, and betweenness centrality to a large European syndicated-lending network.","Lender centrality is empirically associated with renegotiation likelihood, renegotiation rounds, and amendments.","The network represents historical co-lending relationships rather than restructuring-specific consent rights, and the study does not prospectively select the next creditor action using eigenvector centrality and sensitivity."]},{"source_id":"S5","title":"Evolution of the Global Financial Network and Contagion: A New Approach","publisher":"International Monetary Fund","url":"https://www.imf.org/-/media/files/publications/wp/2018/wp18113.pdf","source_class":"PRIMARY_RESEARCH","publication_date":"2018-05","accessed_at":"2026-08-02","claims_supported":["Directed debt and equity exposures can be represented as multilayer financial networks.","Eigenvector centrality, HITS, and PageRank provide spectral rankings of creditors and debtors, with edge direction materially affecting interpretation.","The application concerns contagion and systemic exposure rather than creditor consent or restructuring negotiation order."]},{"source_id":"S6","title":"Centrality-based Capital Allocations","publisher":"International Monetary Fund","url":"https://www.imf.org/en/publications/wp/issues/2016/12/31/centrality-based-capital-allocations-42560","source_class":"PRIMARY_RESEARCH","publication_date":"2014-12-24","accessed_at":"2026-08-02","claims_supported":["Eigenvector-based financial-network rankings have been used to allocate interventions rather than only describe networks.","In the reported banking-system analysis, adjacency-eigenvector capital reallocation reduced expected bankruptcy costs by about 15 percent relative to baseline.","The intervention is regulatory capital allocation, not outreach, consideration, or rights acquisition during restructuring."]},{"source_id":"S7","title":"WDR 2022 Chapter 5: Managing Sovereign Debt","publisher":"World Bank Group","url":"https://www.worldbank.org/en/publication/wdr2022/brief/chapter-5-managing-sovereign-debt","source_class":"OFFICIAL_GUIDANCE","publication_date":"2022","accessed_at":"2026-08-02","claims_supported":["Resolution of sovereign debt distress is often delayed for years and may require multiple restructuring rounds.","Greater creditor complexity and limited transparency complicate coordination.","Governments, their advisers, the IMF, and the World Bank are identifiable actors with restructuring, analytical, coordination, and financing roles.","Swift and sufficiently deep restructuring is associated with faster and more sustained recovery."]},{"source_id":"S8","title":"Restructuring Sovereign Bonds: Holdouts, Haircuts and the Effectiveness of CACs","publisher":"International Monetary Fund Annual Research Conference","url":"https://www.imf.org/-/media/files/conferences/2019/20th-annual-research-conference/session2-fang-schumacher-trebesch.pdf","source_class":"PRIMARY_RESEARCH","publication_date":"2019-10","accessed_at":"2026-08-02","claims_supported":["A dataset covering 418 instruments in 23 sovereign debt exchanges documents holdout rates ranging from zero to 100 percent and substantial within-event heterogeneity.","Haircuts, issue characteristics, and collective-action-clause design supply strong non-network predictors and comparators for participation.","Single-limb aggregated CACs are simulated to reduce holdout and litigation risk more effectively than weaker contractual structures in important cases.","The study does not rank individual outreach targets using spectral consent centrality."]}],"problem_evidence":{"support":"STRONG","rationale":"Official and primary sources consistently document costly delays, repeated restructuring rounds, heterogeneous creditors, coordination failures, and holdouts. The evidence strongly supports the general problem, although it does not establish the narrower asserted prevalence of small, structurally central consent-right edges being missed by claim-size sequencing.","source_ids":["S1","S2","S7","S8"]},"stakeholder_evidence":{"support":"MODERATE","rationale":"Distressed sovereigns or firms, their financial and legal advisers, creditor committees, courts, and international financial institutions are identifiable workflow owners, authorizers, or funders. Sources express a need for faster coordination and effective holdout management, but no opened source expresses demand for the proposed spectral sequencing tool specifically.","source_ids":["S1","S2","S7"]},"prior_art":{"proximity":"ADJACENT_PRIOR_ART","closest_analogues":[{"name":"Lender-network centrality as a determinant of private-debt renegotiation","similarity":"Directly combines creditor-network centrality with renegotiation outcomes, including the number of rounds and amendments.","remaining_difference":"It analyzes historical co-lending networks with degree, closeness, and betweenness in predominantly non-distressed loans; it does not model consent-right dependencies or prospectively choose the next creditor action.","source_ids":["S4"]},{"name":"Established creditor coordination and holdout-management practice","similarity":"Existing practice maps creditor classes and rights, selects negotiation counterparties, organizes committees, uses participation incentives and deadlines, and employs majority-voting or collective-action mechanisms.","remaining_difference":"The retrieved guidance and standard do not use an eigenvector or spectral-sensitivity score over creditor-right edges to choose the next outreach target.","source_ids":["S1","S2","S3","S8"]},{"name":"Spectral targeting in financial-exposure networks","similarity":"Financial actors are ranked with eigenvector-related methods, and spectral rankings can guide interventions or resource allocation.","remaining_difference":"The outcomes are contagion, systemic exposure, or bankruptcy cost rather than consent deadlock and negotiation rounds within one restructuring.","source_ids":["S5","S6"]}],"distinctive_claim_remaining":"Within a single distressed restructuring, a walk-forward ranking of creditor-right edges using spectral centrality plus consent sensitivity will predict the next binding holdout better than claim-size and legal-voting-power rankings and, under a common predeclared transition model, reduce simulated solicitation rounds to a legally sufficient coalition by at least 15 percent.","confidence":"MODERATE"},"implementation_evidence":{"support":"MODERATE","rationale":"Network construction and eigenvector ranking are technically established, and financial applications demonstrate directed-edge and intervention-ranking feasibility. The main constraints are not computation but case-specific legal ontology, incomplete or confidential round-level records, disputed edge direction and effect, strategic response, spectral instability, leakage from retrospective information, and the need for counsel and client authorization. No source validates the proposed consent graph or transition model in actual restructuring work.","source_ids":["S1","S2","S4","S5","S6"]},"scores":{"meaningful_impact":{"score":4,"rationale":"Coordination failure can prolong distress for years, and faster restructuring could materially reduce borrower, creditor, and social costs; realized impact remains unmeasured.","source_ids":["S2","S7","S8"]},"stakeholder_pull":{"score":3,"rationale":"Recognized actors need better coordination and holdout management, but expressed demand for spectral sequencing itself was not found.","source_ids":["S1","S2","S7"]},"incremental_advantage":{"score":2,"rationale":"The proposal has a clear comparator set, but established legal mechanisms and ordinary creditor mapping already address much of the problem, and no performance evidence supports the claimed advantage.","source_ids":["S1","S3","S4","S8"]},"distinctiveness_plausibility":{"score":3,"rationale":"Close components exist separately, including centrality in renegotiation and spectral intervention targeting, but the exact consent-right sequencing combination was not found in the bounded search.","source_ids":["S4","S5","S6"]},"technical_implementability":{"score":3,"rationale":"Spectral computation is routine, but constructing a legally meaningful directed consent operator and defensible sensitivity model is materially harder than computing centrality.","source_ids":["S2","S5","S6"]},"adoption_authority_feasibility":{"score":3,"rationale":"Borrowers and authorized advisers can conduct retrospective analysis and present decision support, but live use requires client, counsel, confidentiality, fiduciary, voting-rule, and possibly court approval.","source_ids":["S1","S2","S3"]},"evidence_readiness":{"score":2,"rationale":"A retrospective design is bounded, but round-level, time-frozen creditor-right data are likely confidential, incomplete, or legally ambiguous and no ready public benchmark dataset was found.","source_ids":["S2","S4","S8"]},"safety_net_benefit":{"score":3,"rationale":"Read-only replay, gap and stability checks, residual reporting, counsel review, and reversion to baseline can bound first-step risk, although later misuse could enable coercive or unequal tactics.","source_ids":["S1","S2","S3"]},"scalability":{"score":2,"rationale":"Algorithms scale computationally, but every restructuring may require bespoke legal graph construction, data permissions, and repeated revalidation after transfers, amended terms, or rulings.","source_ids":["S2","S5"]}},"score_confidence":"MODERATE","costs":{"first_evidence":{"band_2026_usd":"50K_TO_250K","scope":"Retrospective walk-forward study of up to 20 completed restructurings, including data acquisition, counsel-supervised graph encoding, reproducible analysis, comparator evaluation, and an audit report.","confidence":"LOW","assumptions":["At least 10 usable cases can be obtained without purchasing a major proprietary archive.","One quantitative researcher, one research engineer, and part-time restructuring counsel work for roughly three to six months.","No creditor contact, live solicitation, or transaction execution occurs."],"source_ids":[]},"initial_deployment_startup":{"band_2026_usd":"250K_TO_1M","scope":"Build a secure case-ingestion workflow, legal-right ontology, permissions controls, reproducible spectral and sensitivity pipeline, review interface, monitoring rules, and model-risk documentation.","confidence":"LOW","assumptions":["Deployment serves one advisory organization or restructuring unit.","Existing secure document and identity infrastructure can be reused.","Independent legal, privacy, and model-risk review is required."],"source_ids":[]},"operational_launch":{"band_2026_usd":"250K_TO_1M","scope":"Controlled shadow-mode launch across several cases with dual baseline processing, case-specific counsel validation, user training, incident procedures, and external evaluation.","confidence":"LOW","assumptions":["The tool remains advisory and does not contact creditors or authorize consideration.","Five to ten cases are processed in shadow mode.","Material case-specific data cleaning and legal review are required."],"source_ids":[]},"annual_recurring":{"band_2026_usd":"250K_TO_1M","scope":"Annual secure operations, data licensing, engineering maintenance, case encoding, counsel review, monitoring, audits, and periodic revalidation.","confidence":"LOW","assumptions":["A small specialist team supports a limited institutional caseload.","Every material claim transfer, term amendment, or ruling triggers graph review.","The estimate excludes payments, claim purchases, litigation, and restructuring transaction costs."],"source_ids":[]}},"verified_pipeline_gates":{"externally_supported_problem":{"status":"YES","reason":"Multiple official and primary sources document delayed restructurings, repeated rounds, creditor heterogeneity, coordination failures, and holdouts.","source_ids":["S1","S2","S7","S8"]},"externally_credible_adopter_or_authorizer":{"status":"YES","reason":"Distressed borrowers and their authorized financial and legal advisers are identifiable decision-support users; international financial institutions and courts may also authorize, fund, or constrain parts of the workflow. Demand for this exact method remains unverified.","source_ids":["S1","S2","S7"]},"distinct_testable_incremental_claim":{"status":"YES","reason":"The candidate specifies prospective holdout prediction and at least a 15 percent simulated-round reduction relative to claim-size and legal-voting-power baselines.","source_ids":["S4","S8"]},"bounded_next_evidence_step":{"status":"YES","reason":"A retrospective, read-only, walk-forward study of at most 20 cases can freeze historical information, compare predeclared baselines, and apply explicit performance and stability falsifiers.","source_ids":["S4","S8"]},"no_unresolved_safety_or_authority_stop":{"status":"YES","reason":"The first step can exclude live negotiation, creditor contact, payments, transfers, commitments, and autonomous action; disputed legal edges or unstable modes trigger withdrawal. Data permission and counsel participation must be prerequisites.","source_ids":["S1","S2","S3"]},"credible_cost_scope_and_range":{"status":"UNCERTAIN","reason":"The four ranges are scoped resource-equivalent planning estimates with explicit staffing and workflow assumptions, but no directly comparable public cost benchmark or committed institutional partner was found.","source_ids":[]}},"next_evidence_step":"Secure one authorized data-and-counsel partner and run a preregistered retrospective walk-forward study on no more than 20 completed restructurings with round-level records. At each historical round, expose only information then available; have blinded legal reviewers encode directed consent rights; compare spectral-centrality-plus-sensitivity against claim size, legal voting power, and documented adviser sequencing for prediction of the next binding holdout. Under one common predeclared transition rule, compare simulated rounds to a legally sufficient coalition. Report per-case and pooled accuracy, calibration, round differences, missingness, reviewer agreement, spectral gaps, graph-specification sensitivity, and structured residuals. Falsify the intervention if it fails to outperform both principal quantitative baselines, produces less than a 15 percent simulated-round reduction, is unstable across reasonable graph encodings, depends on leaked future information, or encounters material unresolved legal-modeling exceptions.","blocking_evidence":["No case-level evidence shows that spectral consent sequencing predicts binding holdouts or reduces consent rounds.","No ready, lawful, time-stamped public dataset of restructuring-specific consent rights and round-level decisions was identified.","No adopter has expressed demand for, committed resources to, or authorized testing of this exact method.","The legal-right ontology, edge direction, transition model, inter-reviewer reliability, and acceptable spectral-gap threshold remain unvalidated.","The proposed advantage over claim size, legal voting power, contractual holdout mechanisms, and adviser judgment remains unmeasured.","Cost ranges lack external benchmarks and a committed implementation setting.","World novelty, patentability, freedom to operate, market size, and realized impact remain unmeasured."],"research_disposition":"PARTNERED_RESEARCH_PROGRAM","world_novelty_boundary":"Across the preserved bounded queries and eight directly opened sources, lender-network centrality, spectral financial targeting, creditor sequencing, holdout management, collective-action standards, and restructuring-outcome models were found, but no source demonstrated the exact restructuring-specific rule of ranking consent-right edges by spectral centrality plus sensitivity to choose the next creditor action. This is only a bounded ordinary-web finding; world novelty, patentability, freedom to operate, market size, and realized impact were not assessed.","arm":"RETRIEVAL_FIRST","candidate_version":0,"controller_recommendation":{"action":"STOP_EMPIRICAL_RESEARCH_NEEDED","repairable":true,"material_progress_observed":false,"progress_targets":["Obtain a lawful partner dataset containing round-level, time-stamped consent rights and outcomes for at least 10 usable completed restructurings.","Preregister the legal-right ontology, edge-direction rules, spectral-gap threshold, sensitivity model, transition rule, missing-data treatment, comparators, and falsifiers.","Measure blinded legal-reviewer agreement and abandon cases whose graph cannot be encoded reliably.","Complete the walk-forward comparison against claim size, legal voting power, and documented adviser sequencing without future-information leakage.","Demonstrate outperformance of both principal quantitative baselines and at least a 15 percent simulated-round reduction with robustness across reasonable graph specifications.","Document structured residuals, legal exceptions, confidentiality controls, and conditions requiring withdrawal to the baseline workflow.","Validate resource estimates and exact-method demand with an authorized prospective adopter."],"reason":"Web research establishes a material coordination problem, credible workflow owners, adjacent prior art, and a distinct testable residual claim. It cannot establish the candidate's incremental performance because that requires proprietary or specially reconstructed round-level data, counsel-supervised graph encoding, and empirical walk-forward testing."}}