1{"text": "{\"genre\":\"empirical\",\"subfield\":\"corporate_finance\",\"subfield_secondary\":\"corporate governance; mergers and acquisitions\",\"primary_method\":\"regression_discontinuity\",\"identification\":{\"estimand\":\"Intent-to-treat effect of passing a shareholder proposal to remove an ATP on five-year takeover probability, unconditional premium, and (bounded) conditional premium\",\"strategy\":\"RDD at the majority vote threshold for shareholder proposals; CIA-validated matching (Angrist-Rokkanen) to extend estimates away from the threshold; Lee (2009) bounds for selection into the target sample\",\"key_assumptions\":[\"No manipulation or pre-existing differences around the majority threshold\",\"Conditional independence of outcomes from the running variable given covariates\",\"Monotonicity of the ATP effect on selection into being a target\"],\"threats_addressed\":[\"Endogenous adoption of governance provisions\",\"Selection of which firms become targets\",\"Pre-trends or covariate imbalance at the threshold\",\"Alternative vote-share definitions, including treatment of abstentions\"],\"causal_language_strength\":4,\"uses_causal_claim\":true},\"abstract_moves\":{\"question\":{\"present\":true,\"sentence_index\":0},\"gap\":{\"present\":false,\"sentence_index\":-1},\"method\":{\"present\":true,\"sentence_index\":2},\"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\":0,\"move\":\"related_literature_positioning\"},{\"paragraph_index\":1,\"move\":\"preview_of_approach\"},{\"paragraph_index\":1,\"move\":\"identification_defense\"},{\"paragraph_index\":2,\"move\":\"preview_of_results\"},{\"paragraph_index\":2,\"move\":\"robustness_mention\"},{\"paragraph_index\":3,\"move\":\"preview_of_approach\"},{\"paragraph_index\":3,\"move\":\"preview_of_results\"},{\"paragraph_index\":4,\"move\":\"preview_of_results\"},{\"paragraph_index\":5,\"move\":\"other\"},{\"paragraph_index\":5,\"move\":\"policy_or_broader_implication\"},{\"paragraph_index\":6,\"move\":\"roadmap\"}],\"contribution_paragraph_index\":0,\"contribution_types\":[\"new_evidence\",\"new_identification\"],\"roadmap_present\":true,\"literature_positioning_location\":\"inside_introduction\"},\"section_roles\":[{\"idx\":0,\"role\":\"introduction\"},{\"idx\":1,\"role\":\"theory\"},{\"idx\":2,\"role\":\"empirical_design\"},{\"idx\":3,\"role\":\"data\"},{\"idx\":4,\"role\":\"results\"},{\"idx\":5,\"role\":\"results\"},{\"idx\":6,\"role\":\"results\"},{\"idx\":7,\"role\":\"results\"},{\"idx\":8,\"role\":\"conclusion\"}],\"results_presentation\":{\"economic_significance_discussed\":true,\"statistical_significance_language\":\"unclear\",\"magnitude_statements_in_intro\":true},\"robustness\":{\"location\":\"mixed\",\"types\":[\"alternative_measure\",\"alternative_specification\",\"subsample\"]},\"tables\":{\"convention_notes\":\"Table notes give the sample, data sources (Compustat, SDC), and variable definitions, including Compustat mnemonics. They also specify the estimator, e.g., Lee bounds or matching type. Panels separate outcomes or samples, such as the full sample versus the ±10% vote interval.\",\"units_stated_in_notes\":true,\"standard_errors_description\":\"unclear\"},\"figures\":{\"uncertainty_shown\":\"unclear\"},\"conclusion\":{\"bounded_claims\":true,\"policy_implications\":false,\"open_questions\":false,\"restates_contribution\":true},\"hedging\":{\"level\":\"moderate\",\"typical_devices\":[\"bounds language ('can be as high as', 'never negative')\",\"explicit external-validity caveats\",\"ITT versus treatment-on-treated distinction\",\"'suggesting', 'likely', 'potentially'\"]},\"claim_evidence\":[{\"claim\":\"Passing an ATP-removal proposal at the threshold raises five-year takeover probability by about 9 percent and the expected premium by about 4 percent\",\"evidence_type\":\"table\",\"evidence_ref\":\"Table II, Figure 1\"},{\"claim\":\"Away from the threshold, effects on takeover probability and unconditional premium are smaller but still positive\",\"evidence_type\":\"table\",\"evidence_ref\":\"Table IV\"},{\"claim\":\"The effect of ATP removal on the conditional premium is bounded below near zero and may reach a sizable four-week premium\",\"evidence_type\":\"table\",\"evidence_ref\":\"Table V\"},{\"claim\":\"Over half of the value gain comes from higher takeover probability, with selection contributing materially\",\"evidence_type\":\"table\",\"evidence_ref\":\"Table VI\"},{\"claim\":\"The positive premium in less protected firms reflects better bidder-target matching and synergies\",\"evidence_type\":\"table\",\"evidence_ref\":\"Tables VII-VIII\"},{\"claim\":\"The conditional independence assumption holds around the threshold\",\"evidence_type\":\"table\",\"evidence_ref\":\"Table III, Figure 2\"}],\"structural_summary\":\"The introduction challenges the accepted price-versus-probability trade-off of ATPs, then previews the empirical approach (RDD, validated matching, Lee bounds) and quantified results, followed by an external-validity caveat and a roadmap. The body first builds a decomposition framework and lays out the identification strategies and data. It then estimates effects on unconditional premiums and probabilities, bounds the conditional premium, decomposes the value effect, and explores channels. The conclusion restates the value-destruction channels.\",\"writing_profile_keywords\":[\"regression discontinuity\",\"shareholder proposals\",\"Lee bounds\",\"selection correction\",\"decomposition framework\",\"anti-takeover provisions\",\"causal framing\"],\"confidence\":0.85,\"notes\":\"Standard-error type and significance notation are not visible in the excerpted table notes. Robustness evidence appears within the results and in the Internet Appendix.\"}", "json": {"genre": "empirical", "subfield": "corporate_finance", "subfield_secondary": "corporate governance; mergers and acquisitions", "primary_method": "regression_discontinuity", "identification": {"estimand": "Intent-to-treat effect of passing a shareholder proposal to remove an ATP on five-year takeover probability, unconditional premium, and (bounded) conditional premium", "strategy": "RDD at the majority vote threshold for shareholder proposals; CIA-validated matching (Angrist-Rokkanen) to extend estimates away from the threshold; Lee (2009) bounds for selection into the target sample", "key_assumptions": ["No manipulation or pre-existing differences around the majority threshold", "Conditional independence of outcomes from the running variable given covariates", "Monotonicity of the ATP effect on selection into being a target"], "threats_addressed": ["Endogenous adoption of governance provisions", "Selection of which firms become targets", "Pre-trends or covariate imbalance at the threshold", "Alternative vote-share definitions, including treatment of abstentions"], "causal_language_strength": 4, "uses_causal_claim": true}, "abstract_moves": {"question": {"present": true, "sentence_index": 0}, "gap": {"present": false, "sentence_index": -1}, "method": {"present": true, "sentence_index": 2}, "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": 0, "move": "related_literature_positioning"}, {"paragraph_index": 1, "move": "preview_of_approach"}, {"paragraph_index": 1, "move": "identification_defense"}, {"paragraph_index": 2, "move": "preview_of_results"}, {"paragraph_index": 2, "move": "robustness_mention"}, {"paragraph_index": 3, "move": "preview_of_approach"}, {"paragraph_index": 3, "move": "preview_of_results"}, {"paragraph_index": 4, "move": "preview_of_results"}, {"paragraph_index": 5, "move": "other"}, {"paragraph_index": 5, "move": "policy_or_broader_implication"}, {"paragraph_index": 6, "move": "roadmap"}], "contribution_paragraph_index": 0, "contribution_types": ["new_evidence", "new_identification"], "roadmap_present": true, "literature_positioning_location": "inside_introduction"}, "section_roles": [{"idx": 0, "role": "introduction"}, {"idx": 1, "role": "theory"}, {"idx": 2, "role": "empirical_design"}, {"idx": 3, "role": "data"}, {"idx": 4, "role": "results"}, {"idx": 5, "role": "results"}, {"idx": 6, "role": "results"}, {"idx": 7, "role": "results"}, {"idx": 8, "role": "conclusion"}], "results_presentation": {"economic_significance_discussed": true, "statistical_significance_language": "unclear", "magnitude_statements_in_intro": true}, "robustness": {"location": "mixed", "types": ["alternative_measure", "alternative_specification", "subsample"]}, "tables": {"convention_notes": "Table notes give the sample, data sources (Compustat, SDC), and variable definitions, including Compustat mnemonics. 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