{"text": "{\"genre\":\"theoretical\",\"subfield\":\"financial_intermediation_banking\",\"subfield_secondary\":\"macro_finance\",\"primary_method\":\"theoretical_model_analytical\",\"identification\":{\"estimand\":\"not applicable (theoretical model); comparative statics of intermediary size, risk and firm leverage with respect to safe asset demand and QE\",\"strategy\":\"general equilibrium model; social planner allocation shown to be replicated by a competitive equilibrium; comparative statics\",\"key_assumptions\":[\"agency cost of intermediary risk bearing\",\"household utility from riskless assets\",\"exogenous Lucas-tree output with aggregate and idiosyncratic risk\",\"nominal rigidities and zero lower bound for the QE-at-ZLB analysis\"],\"threats_addressed\":[],\"causal_language_strength\":3,\"uses_causal_claim\":false},\"abstract_moves\":{\"question\":{\"present\":true,\"sentence_index\":0},\"gap\":{\"present\":false,\"sentence_index\":-1},\"method\":{\"present\":true,\"sentence_index\":1},\"results\":{\"present\":true,\"sentence_index\":3},\"magnitude\":{\"present\":false,\"sentence_index\":-1},\"contribution\":{\"present\":false,\"sentence_index\":-1}},\"introduction\":{\"moves\":[{\"paragraph_index\":0,\"move\":\"motivation\"},{\"paragraph_index\":0,\"move\":\"preview_of_approach\"},{\"paragraph_index\":1,\"move\":\"mechanism_or_theory_sketch\"},{\"paragraph_index\":1,\"move\":\"preview_of_results\"},{\"paragraph_index\":2,\"move\":\"preview_of_results\"},{\"paragraph_index\":2,\"move\":\"policy_or_broader_implication\"},{\"paragraph_index\":3,\"move\":\"mechanism_or_theory_sketch\"},{\"paragraph_index\":4,\"move\":\"preview_of_results\"},{\"paragraph_index\":4,\"move\":\"related_literature_positioning\"},{\"paragraph_index\":5,\"move\":\"roadmap\"}],\"contribution_paragraph_index\":0,\"contribution_types\":[\"new_theory_or_model\"],\"roadmap_present\":true,\"literature_positioning_location\":\"inside_introduction\"},\"section_roles\":[{\"idx\":0,\"role\":\"introduction\"},{\"idx\":1,\"role\":\"theory\"},{\"idx\":2,\"role\":\"theory\"},{\"idx\":3,\"role\":\"other\"},{\"idx\":4,\"role\":\"conclusion\"},{\"idx\":5,\"role\":\"appendix\"}],\"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 conveyed through propositions, equations and four illustrative figures, one of which shows empirical balance sheets.\",\"units_stated_in_notes\":false,\"standard_errors_description\":\"none\"},\"figures\":{\"uncertainty_shown\":\"no\"},\"conclusion\":{\"bounded_claims\":true,\"policy_implications\":true,\"open_questions\":true,\"restates_contribution\":true},\"hedging\":{\"level\":\"moderate\",\"typical_devices\":[\"'under some conditions'\",\"'can decrease'\",\"'broadly consistent with'\",\"'may provide additional insights'\"]},\"claim_evidence\":[{\"claim\":\"Intermediaries hold diversified risky debt while households hold riskless assets and equities, broadly matching US bank and household balance sheets\",\"evidence_type\":\"figure\",\"evidence_ref\":\"Figure 1\"},{\"claim\":\"Higher safe asset demand leads to larger, riskier intermediaries and more levered nonfinancial firms\",\"evidence_type\":\"figure\",\"evidence_ref\":\"Figure 4; Section II.A\"},{\"claim\":\"QE reduces intermediary riskiness, consistent with empirical evidence\",\"evidence_type\":\"prior_literature\",\"evidence_ref\":\"Chodorow-Reich (2014)\"},{\"claim\":\"Debt and equity are priced by different kernels, with intermediaries charging a higher price of systematic risk\",\"evidence_type\":\"equation_or_proof\",\"evidence_ref\":\"Proposition 2; Figure 3\"},{\"claim\":\"The competitive equilibrium replicates the social planner allocation\",\"evidence_type\":\"equation_or_proof\",\"evidence_ref\":\"Section I.C; Appendix A\"}],\"structural_summary\":\"Opens by motivating the topic with empirical evidence on the safe-asset premium. The introduction then sketches the model mechanism: intermediaries face an agency cost of bearing risk and back deposits with diversified firm debt. It previews comparative statics on safe asset demand and QE, linking each to prior empirical findings, and closes with a roadmap. The body presents a baseline two-period model, solves the planner problem and shows decentralization. Policy applications follow (the subprime boom, QE in equities versus debt, QE at the zero lower bound), then a short section on asset pricing predictions checked against existing evidence. The conclusion summarizes and lists future research directions. Proofs are in the appendix.\",\"writing_profile_keywords\":[\"general equilibrium\",\"safe assets\",\"intermediary agency cost\",\"market segmentation\",\"quantitative easing\",\"planner decentralization\",\"policy application\"],\"confidence\":0.85,\"notes\":\"Pure theory paper. Model predictions are tied to empirical facts through citations and one descriptive figure; no new estimation is performed.\"}", "json": {"genre": "theoretical", "subfield": "financial_intermediation_banking", "subfield_secondary": "macro_finance", "primary_method": "theoretical_model_analytical", "identification": {"estimand": "not applicable (theoretical model); comparative statics of intermediary size, risk and firm leverage with respect to safe asset demand and QE", "strategy": "general equilibrium model; social planner allocation shown to be replicated by a competitive equilibrium; comparative statics", "key_assumptions": ["agency cost of intermediary risk bearing", "household utility from riskless assets", "exogenous Lucas-tree output with aggregate and idiosyncratic risk", "nominal rigidities and zero lower bound for the QE-at-ZLB analysis"], "threats_addressed": [], "causal_language_strength": 3, "uses_causal_claim": false}, "abstract_moves": {"question": {"present": true, "sentence_index": 0}, "gap": {"present": false, "sentence_index": -1}, "method": {"present": true, "sentence_index": 1}, "results": {"present": true, "sentence_index": 3}, "magnitude": {"present": false, "sentence_index": -1}, "contribution": {"present": false, "sentence_index": -1}}, "introduction": {"moves": [{"paragraph_index": 0, "move": "motivation"}, {"paragraph_index": 0, "move": "preview_of_approach"}, {"paragraph_index": 1, "move": "mechanism_or_theory_sketch"}, {"paragraph_index": 1, "move": "preview_of_results"}, {"paragraph_index": 2, "move": "preview_of_results"}, {"paragraph_index": 2, "move": "policy_or_broader_implication"}, {"paragraph_index": 3, "move": "mechanism_or_theory_sketch"}, {"paragraph_index": 4, "move": "preview_of_results"}, {"paragraph_index": 4, "move": "related_literature_positioning"}, {"paragraph_index": 5, "move": "roadmap"}], "contribution_paragraph_index": 0, "contribution_types": ["new_theory_or_model"], "roadmap_present": true, "literature_positioning_location": "inside_introduction"}, "section_roles": [{"idx": 0, "role": "introduction"}, {"idx": 1, "role": "theory"}, {"idx": 2, "role": "theory"}, {"idx": 3, "role": "other"}, {"idx": 4, "role": "conclusion"}, {"idx": 5, "role": "appendix"}], "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. 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