1{"text": "{\"genre\":\"empirical\",\"subfield\":\"corporate_finance\",\"subfield_secondary\":\"financial_intermediation_banking\",\"primary_method\":\"reduced_form_regression\",\"identification\":{\"estimand\":\"How an investor's IPO allocation, measured as normalized rationing, relates to the revenues that investor generates for the bookrunner and to proxies for its information production during bookbuilding.\",\"strategy\":\"Allocation regressions on revenue quartile rankings and bid/behavior proxies. The regressions are run pooled and bank by bank, then with investor fixed effects and investor-bank fixed effects to absorb unobserved characteristics and relationships. Expected profitability of bids is also tested.\",\"key_assumptions\":[\"After investor and investor-bank fixed effects, no time-varying unobserved information production remains that is correlated with revenue rankings.\",\"The observable proxies (bid type, meeting attendance, bidding frequency) adequately capture information revelation.\"],\"threats_addressed\":[\"Unobserved investor expertise or efficiency in producing information\",\"Closer investor-bank relationships that lead to more information revelation\",\"Allocation differences reflecting expected profitability rather than allocation levels alone\"],\"causal_language_strength\":3,\"uses_causal_claim\":true},\"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\":1,\"move\":\"identification_defense\"},{\"paragraph_index\":2,\"move\":\"preview_of_results\"},{\"paragraph_index\":3,\"move\":\"preview_of_results\"},{\"paragraph_index\":4,\"move\":\"related_literature_positioning\"},{\"paragraph_index\":4,\"move\":\"literature_gap\"},{\"paragraph_index\":4,\"move\":\"contribution_statement\"},{\"paragraph_index\":5,\"move\":\"contribution_statement\"},{\"paragraph_index\":6,\"move\":\"policy_or_broader_implication\"},{\"paragraph_index\":6,\"move\":\"roadmap\"}],\"contribution_paragraph_index\":4,\"contribution_types\":[\"new_data_or_measure\",\"new_evidence\"],\"roadmap_present\":true,\"literature_positioning_location\":\"inside_introduction\"},\"section_roles\":[{\"idx\":0,\"role\":\"introduction\"},{\"idx\":1,\"role\":\"data\"},{\"idx\":2,\"role\":\"results\"},{\"idx\":3,\"role\":\"robustness\"},{\"idx\":4,\"role\":\"conclusion\"}],\"results_presentation\":{\"economic_significance_discussed\":true,\"statistical_significance_language\":\"unclear\",\"magnitude_statements_in_intro\":true},\"robustness\":{\"location\":\"main_text_section\",\"types\":[\"alternative_specification\",\"subsample\",\"alternative_measure\"]},\"tables\":{\"convention_notes\":\"Table notes define the dependent variable (normalized rationing, i.e., percentage allotted divided by percentage bid) and the regressors (bid-size quartiles, price-sensitive vs money bids, revenue quartiles). Descriptive tables are split into panels. The expected-profitability model is referenced to an Internet Appendix table.\",\"units_stated_in_notes\":true,\"standard_errors_description\":\"unclear\"},\"figures\":{\"uncertainty_shown\":\"no\"},\"conclusion\":{\"bounded_claims\":true,\"policy_implications\":false,\"open_questions\":true,\"restates_contribution\":true},\"hedging\":{\"level\":\"moderate\",\"typical_devices\":[\"consistent with\",\"evidence suggests\",\"may mean\",\"alternative explanations exist\",\"welfare implications ambiguous\",\"generalizability caveat\"]},\"claim_evidence\":[{\"claim\":\"Price-sensitive bids receive slightly higher allocations, with considerable variation across banks.\",\"evidence_type\":\"table\",\"evidence_ref\":\"Tables VI, VII\"},{\"claim\":\"Top revenue-quartile investors receive allocations about 60% higher relative to bid than non-clients.\",\"evidence_type\":\"table\",\"evidence_ref\":\"Table VI\"},{\"claim\":\"The revenue-allocation link persists with investor and investor-bank fixed effects.\",\"evidence_type\":\"table\",\"evidence_ref\":\"Table VIII\"},{\"claim\":\"The revenue-allocation relationship is concentrated in hot IPOs.\",\"evidence_type\":\"table\",\"evidence_ref\":\"Table IX\"},{\"claim\":\"High-revenue investors obtain higher expected profits from their bids.\",\"evidence_type\":\"table\",\"evidence_ref\":\"Table X\"},{\"claim\":\"Prior studies lacked allocation books and could only show indirect quid pro quo links.\",\"evidence_type\":\"prior_literature\",\"evidence_ref\":\"Reuter (2006); Goldstein, Irvine, and Puckett (2011)\"}],\"structural_summary\":\"The paper motivates the question with past IPO scandals and a regulator's market study that supplied unique data. The introduction frames two non-exclusive hypotheses, information revelation and quid pro quo, and previews how unobservables are handled. It then lists findings in an ordered sequence and positions itself against indirect prior evidence. Section I describes the institutional setting and data. Section II reports pooled and bank-level allocation regressions. Section III challenges the quid pro quo interpretation with fixed effects and expected-profitability tests and discusses welfare. The conclusion restates the findings with caveats about generalizability.\",\"writing_profile_keywords\":[\"regulatory data\",\"proprietary allocation books\",\"competing hypotheses\",\"fixed effects\",\"welfare ambiguity\",\"European IPOs\"],\"confidence\":0.8,\"notes\":\"The data come from an FCA market study. Significance conventions are not visible in the excerpts. The Internet Appendix is referenced for the expected-price model.\"}", "json": {"genre": "empirical", "subfield": "corporate_finance", "subfield_secondary": "financial_intermediation_banking", "primary_method": "reduced_form_regression", "identification": {"estimand": "How an investor's IPO allocation, measured as normalized rationing, relates to the revenues that investor generates for the bookrunner and to proxies for its information production during bookbuilding.", "strategy": "Allocation regressions on revenue quartile rankings and bid/behavior proxies. The regressions are run pooled and bank by bank, then with investor fixed effects and investor-bank fixed effects to absorb unobserved characteristics and relationships. Expected profitability of bids is also tested.", "key_assumptions": ["After investor and investor-bank fixed effects, no time-varying unobserved information production remains that is correlated with revenue rankings.", "The observable proxies (bid type, meeting attendance, bidding frequency) adequately capture information revelation."], "threats_addressed": ["Unobserved investor expertise or efficiency in producing information", "Closer investor-bank relationships that lead to more information revelation", "Allocation differences reflecting expected profitability rather than allocation levels alone"], "causal_language_strength": 3, "uses_causal_claim": true}, "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": 1, "move": "identification_defense"}, {"paragraph_index": 2, "move": "preview_of_results"}, {"paragraph_index": 3, "move": "preview_of_results"}, {"paragraph_index": 4, "move": "related_literature_positioning"}, {"paragraph_index": 4, "move": "literature_gap"}, {"paragraph_index": 4, "move": "contribution_statement"}, {"paragraph_index": 5, "move": "contribution_statement"}, {"paragraph_index": 6, "move": "policy_or_broader_implication"}, {"paragraph_index": 6, "move": "roadmap"}], "contribution_paragraph_index": 4, "contribution_types": ["new_data_or_measure", "new_evidence"], "roadmap_present": true, "literature_positioning_location": "inside_introduction"}, "section_roles": [{"idx": 0, "role": "introduction"}, {"idx": 1, "role": "data"}, {"idx": 2, "role": "results"}, {"idx": 3, "role": "robustness"}, {"idx": 4, "role": "conclusion"}], "results_presentation": {"economic_significance_discussed": true, "statistical_significance_language": "unclear", "magnitude_statements_in_intro": true}, "robustness": {"location": "main_text_section", "types": ["alternative_specification", "subsample", "alternative_measure"]}, "tables": {"convention_notes": "Table notes define the dependent variable (normalized rationing, i.e., percentage allotted divided by percentage bid) and the regressors (bid-size quartiles, price-sensitive vs money bids, revenue quartiles). Descriptive tables are split into panels. The expected-profitability model is referenced to an Internet Appendix table.", "units_stated_in_notes": true, "standard_errors_description": "unclear"}, "figures": {"uncertainty_shown": "no"}, "conclusion": {"bounded_claims": true, "policy_implications": false, "open_questions": true, "restates_contribution": true}, "hedging": {"level": "moderate", "typical_devices": ["consistent with", "evidence suggests", "may mean", "alternative explanations exist", "welfare implications ambiguous", "generalizability caveat"]}, "claim_evidence": [{"claim": "Price-sensitive bids receive slightly higher allocations, with considerable variation across banks.", "evidence_type": "table", "evidence_ref": "Tables VI, VII"}, {"claim": "Top revenue-quartile investors receive allocations about 60% higher relative to bid than non-clients.", "evidence_type": "table", "evidence_ref": "Table VI"}, {"claim": "The revenue-allocation link persists with investor and investor-bank fixed effects.", "evidence_type": "table", "evidence_ref": "Table VIII"}, {"claim": "The revenue-allocation relationship is concentrated in hot IPOs.", "evidence_type": "table", "evidence_ref": "Table IX"}, {"claim": "High-revenue investors obtain higher expected profits from their bids.", "evidence_type": "table", "evidence_ref": "Table X"}, {"claim": "Prior studies lacked allocation books and could only show indirect quid pro quo links.", "evidence_type": "prior_literature", "evidence_ref": "Reuter (2006); Goldstein, Irvine, and Puckett (2011)"}], "structural_summary": "The paper motivates the question with past IPO scandals and a regulator's market study that supplied unique data. The introduction frames two non-exclusive hypotheses, information revelation and quid pro quo, and previews how unobservables are handled. It then lists findings in an ordered sequence and positions itself against indirect prior evidence. Section I describes the institutional setting and data. Section II reports pooled and bank-level allocation regressions. Section III challenges the quid pro quo interpretation with fixed effects and expected-profitability tests and discusses welfare. The conclusion restates the findings with caveats about generalizability.", "writing_profile_keywords": ["regulatory data", "proprietary allocation books", "competing hypotheses", "fixed effects", "welfare ambiguity", "European IPOs"], "confidence": 0.8, "notes": "The data come from an FCA market study. Significance conventions are not visible in the excerpts. 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