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1{"text": "{\"genre\":\"theoretical\",\"subfield\":\"asset_pricing\",\"subfield_secondary\":\"limits of arbitrage / financial intermediation\",\"primary_method\":\"theoretical_model_analytical\",\"identification\":{\"estimand\":\"not applicable (theoretical model)\",\"strategy\":\"not applicable; closed-form equilibrium analysis of an infinite-horizon model with segmented markets and collateral-constrained arbitrageurs\",\"key_assumptions\":[\"markets for paired assets are segmented, with outside investors trading in only one asset\",\"a collateral-based financial constraint applies to arbitrageurs\",\"the set of active opportunity characteristics is deterministic\",\"arbitrage risk is small (near-identical payoffs) in the risky case\",\"a symmetric equilibrium in which arbitrageur wealth is the only state variable\"],\"threats_addressed\":[],\"causal_language_strength\":1,\"uses_causal_claim\":false},\"abstract_moves\":{\"question\":{\"present\":false,\"sentence_index\":-1},\"gap\":{\"present\":false,\"sentence_index\":-1},\"method\":{\"present\":true,\"sentence_index\":0},\"results\":{\"present\":true,\"sentence_index\":1},\"magnitude\":{\"present\":false,\"sentence_index\":-1},\"contribution\":{\"present\":false,\"sentence_index\":-1}},\"introduction\":{\"moves\":[{\"paragraph_index\":0,\"move\":\"motivation\"},{\"paragraph_index\":0,\"move\":\"tension_or_puzzle\"},{\"paragraph_index\":1,\"move\":\"preview_of_approach\"},{\"paragraph_index\":1,\"move\":\"preview_of_results\"},{\"paragraph_index\":2,\"move\":\"preview_of_results\"},{\"paragraph_index\":2,\"move\":\"mechanism_or_theory_sketch\"},{\"paragraph_index\":3,\"move\":\"preview_of_approach\"},{\"paragraph_index\":3,\"move\":\"preview_of_results\"},{\"paragraph_index\":3,\"move\":\"mechanism_or_theory_sketch\"},{\"paragraph_index\":4,\"move\":\"preview_of_results\"},{\"paragraph_index\":4,\"move\":\"policy_or_broader_implication\"},{\"paragraph_index\":5,\"move\":\"contribution_statement\"},{\"paragraph_index\":5,\"move\":\"related_literature_positioning\"},{\"paragraph_index\":6,\"move\":\"related_literature_positioning\"},{\"paragraph_index\":7,\"move\":\"related_literature_positioning\"}],\"contribution_paragraph_index\":5,\"contribution_types\":[\"new_theory_or_model\"],\"roadmap_present\":false,\"literature_positioning_location\":\"inside_introduction\"},\"section_roles\":[{\"idx\":0,\"role\":\"introduction\"},{\"idx\":1,\"role\":\"theory\"},{\"idx\":2,\"role\":\"theory\"},{\"idx\":3,\"role\":\"theory\"},{\"idx\":4,\"role\":\"conclusion\"}],\"results_presentation\":{\"economic_significance_discussed\":false,\"statistical_significance_language\":\"unclear\",\"magnitude_statements_in_intro\":false},\"robustness\":{\"location\":\"none_seen\",\"types\":[]},\"tables\":{\"convention_notes\":\"No tables; results are delivered through equations and propositions.\",\"units_stated_in_notes\":false,\"standard_errors_description\":\"none\"},\"figures\":{\"uncertainty_shown\":\"no_figures\"},\"conclusion\":{\"bounded_claims\":true,\"policy_implications\":false,\"open_questions\":false,\"restates_contribution\":true},\"hedging\":{\"level\":\"low\",\"typical_devices\":[\"scope conditions (e.g., small arbitrage risk)\",\"qualifiers such as 'generally' and 'in that sense'\",\"explicit simplifying assumptions\"]},\"claim_evidence\":[{\"claim\":\"Arbitrage capital dynamics are self-correcting: depleted capital raises returns, which gradually replenishes capital.\",\"evidence_type\":\"equation_or_proof\",\"evidence_ref\":\"Section II.B.2 and II.C\"},{\"claim\":\"In equilibrium arbitrageurs invest in opportunities above a cutoff return per unit of collateral, and the cutoff falls as capital rises.\",\"evidence_type\":\"equation_or_proof\",\"evidence_ref\":\"Section II.B\"},{\"claim\":\"With small arbitrage risk, capital follows approximate AR(1) dynamics and risk acts mainly through the financial constraint rather than risk aversion.\",\"evidence_type\":\"equation_or_proof\",\"evidence_ref\":\"Section III.B\"},{\"claim\":\"Spreads/returns relate positively to betas with respect to arbitrage capital in the cross-section.\",\"evidence_type\":\"equation_or_proof\",\"evidence_ref\":\"Section III.C.1\"},{\"claim\":\"Arbitrageur diversification causes contagion across markets but lowers wealth variance and spread volatility.\",\"evidence_type\":\"equation_or_proof\",\"evidence_ref\":\"Section III.D\"},{\"claim\":\"Empirical studies document price discrepancies and link arbitrage capital to anomaly size.\",\"evidence_type\":\"prior_literature\",\"evidence_ref\":\"Introduction paragraph 0, footnote 1\"}],\"structural_summary\":\"Opens with tension between frictionless arbitrage and documented anomalies, then previews a model built in stages. 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