1{"text": "{\"genre\":\"empirical\",\"subfield\":\"international_finance\",\"subfield_secondary\":\"asset_pricing; financial_intermediation_banking (limits to arbitrage, banking regulation)\",\"primary_method\":\"reduced_form_regression\",\"identification\":{\"estimand\":\"Size and persistence of CIP deviations (cross-currency basis), and the effect of bank balance-sheet constraints, proxied by quarter-end reporting, on the basis\",\"strategy\":\"Measure the basis with credit-risk-free instruments (GC repo, KfW bonds) to establish arbitrage net of transaction costs. Then run regressions with quarter-end indicator variables for contracts that cross the quarter-end balance-sheet date, compare the term structure of the basis, use IOER-based arbitrage as a balance-sheet cost proxy, and run an event study of ECB monetary policy announcements.\",\"key_assumptions\":[\"Repo and KfW instruments carry no credit-risk differences across currencies\",\"Contracts that cross the quarter-end differ from other contracts only through their appearance on banks' balance sheets on reporting dates\",\"Intraday yield changes around ECB announcements capture interest rate shocks\"],\"threats_addressed\":[\"credit risk differences across Libor panels\",\"indicative nature of Libor quotes\",\"transaction costs (bid-ask)\",\"term-structure confounds in quarter-end effects\"],\"causal_language_strength\":4,\"uses_causal_claim\":true},\"abstract_moves\":{\"question\":{\"present\":false,\"sentence_index\":-1},\"gap\":{\"present\":true,\"sentence_index\":1},\"method\":{\"present\":false,\"sentence_index\":-1},\"results\":{\"present\":true,\"sentence_index\":0},\"magnitude\":{\"present\":false,\"sentence_index\":-1},\"contribution\":{\"present\":true,\"sentence_index\":2}},\"introduction\":{\"moves\":[{\"paragraph_index\":0,\"move\":\"motivation\"},{\"paragraph_index\":0,\"move\":\"tension_or_puzzle\"},{\"paragraph_index\":0,\"move\":\"preview_of_results\"},{\"paragraph_index\":0,\"move\":\"mechanism_or_theory_sketch\"},{\"paragraph_index\":1,\"move\":\"identification_defense\"},{\"paragraph_index\":2,\"move\":\"preview_of_approach\"},{\"paragraph_index\":2,\"move\":\"preview_of_results\"},{\"paragraph_index\":3,\"move\":\"preview_of_results\"},{\"paragraph_index\":3,\"move\":\"mechanism_or_theory_sketch\"},{\"paragraph_index\":4,\"move\":\"preview_of_results\"},{\"paragraph_index\":5,\"move\":\"preview_of_results\"},{\"paragraph_index\":6,\"move\":\"related_literature_positioning\"},{\"paragraph_index\":7,\"move\":\"related_literature_positioning\"},{\"paragraph_index\":7,\"move\":\"literature_gap\"}],\"contribution_paragraph_index\":0,\"contribution_types\":[\"new_evidence\",\"resolution_of_puzzle\"],\"roadmap_present\":false,\"literature_positioning_location\":\"inside_introduction\"},\"section_roles\":[{\"idx\":0,\"role\":\"introduction\"},{\"idx\":1,\"role\":\"data\"},{\"idx\":2,\"role\":\"results\"},{\"idx\":3,\"role\":\"theory\"},{\"idx\":4,\"role\":\"results\"},{\"idx\":5,\"role\":\"conclusion\"},{\"idx\":6,\"role\":\"appendix\"}],\"results_presentation\":{\"economic_significance_discussed\":true,\"statistical_significance_language\":\"unclear\",\"magnitude_statements_in_intro\":true},\"robustness\":{\"location\":\"none_seen\",\"types\":[]},\"tables\":{\"convention_notes\":\"Notes define variables and sample periods and report means in basis points with standard deviations in parentheses. Regression tables define the quarter-end indicator variables. The KfW basis is defined by formula in the notes.\",\"units_stated_in_notes\":true,\"standard_errors_description\":\"unclear\"},\"figures\":{\"uncertainty_shown\":\"no\"},\"conclusion\":{\"bounded_claims\":true,\"policy_implications\":true,\"open_questions\":true,\"restates_contribution\":true},\"hedging\":{\"level\":\"moderate\",\"typical_devices\":[\"hypothesize\",\"point to\",\"appear\",\"consistent with\",\"can be rationalized by\",\"beyond the scope\"]},\"claim_evidence\":[{\"claim\":\"Libor-based CIP has failed persistently for G10 currencies since 2008\",\"evidence_type\":\"table\",\"evidence_ref\":\"Table I; Figures 2, 4\"},{\"claim\":\"Repo-based basis implies arbitrage free of credit risk, net of transaction costs\",\"evidence_type\":\"table\",\"evidence_ref\":\"Table II\"},{\"claim\":\"KfW bond basis is nonzero for EUR, CHF and JPY, giving long-maturity arbitrage of about 10-20 bps\",\"evidence_type\":\"table\",\"evidence_ref\":\"Table III\"},{\"claim\":\"CIP deviations widen for contracts crossing quarter-ends, implying regulation affects prices\",\"evidence_type\":\"table\",\"evidence_ref\":\"Tables IV, V; Figure 5\"},{\"claim\":\"Balance-sheet cost proxies (IOER arbitrage) account for about two-thirds of CIP deviations\",\"evidence_type\":\"table\",\"evidence_ref\":\"Table VI; Figure 6\"},{\"claim\":\"Basis comoves with other near-risk-free spreads such as the KfW-bund basis and the Libor tenor basis\",\"evidence_type\":\"figure\",\"evidence_ref\":\"Figure 7\"},{\"claim\":\"Basis correlates with nominal interest rates in the cross section and in response to ECB shocks\",\"evidence_type\":\"figure\",\"evidence_ref\":\"Figures 8, 9\"}],\"structural_summary\":\"The paper opens with market size and the textbook status of CIP, then frames postcrisis CIP violations as a puzzle for no-arbitrage and limits-of-arbitrage models. The introduction rules out credit risk and transaction costs, establishes arbitrage with repo and KfW instruments, and proposes a two-factor hypothesis: intermediary constraints combined with international funding and investment imbalances. It previews four stylized facts and positions the paper against the crisis-era CIP literature and intermediary asset pricing theory. Body sections proceed in order: definitions, arbitrage evidence, a verbal hypothesis section, and tests of the basis characteristics. The conclusion restates the four facts, points to welfare and monetary-transmission implications, and invites future research.\",\"writing_profile_keywords\":[\"puzzle framing\",\"stylized facts\",\"arbitrage documentation\",\"verbal hypothesis then tests\",\"quarter-end regulatory test\",\"cash-flow diagrams\",\"bps magnitudes\"],\"confidence\":0.8,\"notes\":\"Section III develops verbal hypotheses rather than a formal model and is labeled theory. Standard error type is not visible in the excerpts. The abstract ends with a fragment of the introduction's first sentence, which was ignored for sentence indexing (4 real sentences).\"}", "json": {"genre": "empirical", "subfield": "international_finance", "subfield_secondary": "asset_pricing; financial_intermediation_banking (limits to arbitrage, banking regulation)", "primary_method": "reduced_form_regression", "identification": {"estimand": "Size and persistence of CIP deviations (cross-currency basis), and the effect of bank balance-sheet constraints, proxied by quarter-end reporting, on the basis", "strategy": "Measure the basis with credit-risk-free instruments (GC repo, KfW bonds) to establish arbitrage net of transaction costs. Then run regressions with quarter-end indicator variables for contracts that cross the quarter-end balance-sheet date, compare the term structure of the basis, use IOER-based arbitrage as a balance-sheet cost proxy, and run an event study of ECB monetary policy announcements.", "key_assumptions": ["Repo and KfW instruments carry no credit-risk differences across currencies", "Contracts that cross the quarter-end differ from other contracts only through their appearance on banks' balance sheets on reporting dates", "Intraday yield changes around ECB announcements capture interest rate shocks"], "threats_addressed": ["credit risk differences across Libor panels", "indicative nature of Libor quotes", "transaction costs (bid-ask)", "term-structure confounds in quarter-end effects"], "causal_language_strength": 4, "uses_causal_claim": true}, "abstract_moves": {"question": {"present": false, "sentence_index": -1}, "gap": {"present": true, "sentence_index": 1}, "method": {"present": false, "sentence_index": -1}, "results": {"present": true, "sentence_index": 0}, "magnitude": {"present": false, "sentence_index": -1}, "contribution": {"present": true, "sentence_index": 2}}, "introduction": {"moves": [{"paragraph_index": 0, "move": "motivation"}, {"paragraph_index": 0, "move": "tension_or_puzzle"}, {"paragraph_index": 0, "move": "preview_of_results"}, {"paragraph_index": 0, "move": "mechanism_or_theory_sketch"}, {"paragraph_index": 1, "move": "identification_defense"}, {"paragraph_index": 2, "move": "preview_of_approach"}, {"paragraph_index": 2, "move": "preview_of_results"}, {"paragraph_index": 3, "move": "preview_of_results"}, {"paragraph_index": 3, "move": "mechanism_or_theory_sketch"}, {"paragraph_index": 4, "move": "preview_of_results"}, {"paragraph_index": 5, "move": "preview_of_results"}, {"paragraph_index": 6, "move": "related_literature_positioning"}, {"paragraph_index": 7, "move": "related_literature_positioning"}, {"paragraph_index": 7, "move": "literature_gap"}], "contribution_paragraph_index": 0, "contribution_types": ["new_evidence", "resolution_of_puzzle"], "roadmap_present": false, "literature_positioning_location": "inside_introduction"}, "section_roles": [{"idx": 0, "role": "introduction"}, {"idx": 1, "role": "data"}, {"idx": 2, "role": "results"}, {"idx": 3, "role": "theory"}, {"idx": 4, "role": "results"}, {"idx": 5, "role": "conclusion"}, {"idx": 6, "role": "appendix"}], "results_presentation": {"economic_significance_discussed": true, "statistical_significance_language": "unclear", "magnitude_statements_in_intro": true}, "robustness": {"location": "none_seen", "types": []}, "tables": {"convention_notes": "Notes define variables and sample periods and report means in basis points with standard deviations in parentheses. 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