1{"text": "{\"genre\":\"empirical\",\"subfield\":\"household_finance\",\"subfield_secondary\":\"behavioral_finance\",\"primary_method\":\"reduced_form_regression\",\"identification\":{\"estimand\":\"Effect of the average participation or early-selling choices of local coworkers (same firm-location-window) on an employee's own ESPP participation and sale-timing decisions\",\"strategy\":\"Within-firm, same-election-window comparisons with metro-area (CBSA) fixed effects. Peer means are measured in an excluded random half-sample. This is supplemented by an IV approach in the style of Duflo-Saez and Case-Katz, using office demographic composition as instruments for peer choices. Heterogeneity tests by the presence of informed peers are used to identify a learning mechanism.\",\"key_assumptions\":[\"Office-level demographic composition affects own ESPP choices only through peer choices, after own traits are controlled (exclusion restriction)\",\"Within-firm, within-window office shocks are absorbed by location and demographic controls\",\"No endogenous sorting of workers to offices that is correlated with ESPP preferences\"],\"threats_addressed\":[\"Common office-level shocks not captured by controls\",\"Endogenous sorting into offices (dropping offices with extreme characteristic distributions)\",\"Reflection problem (excluded half-sample peer means)\",\"Uninformed mimicry versus learning (informed-peer presence tests)\",\"Firm-CBSA-month fixed effects for within-office heterogeneity\",\"Office size and headquarters-state exclusions\"]},\"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\":1},\"magnitude\":{\"present\":false,\"sentence_index\":-1},\"contribution\":{\"present\":true,\"sentence_index\":3}},\"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\":1,\"move\":\"mechanism_or_theory_sketch\"},{\"paragraph_index\":2,\"move\":\"identification_defense\"},{\"paragraph_index\":2,\"move\":\"robustness_mention\"},{\"paragraph_index\":3,\"move\":\"mechanism_or_theory_sketch\"},{\"paragraph_index\":3,\"move\":\"preview_of_results\"},{\"paragraph_index\":4,\"move\":\"related_literature_positioning\"},{\"paragraph_index\":4,\"move\":\"contribution_statement\"},{\"paragraph_index\":5,\"move\":\"related_literature_positioning\"},{\"paragraph_index\":6,\"move\":\"related_literature_positioning\"},{\"paragraph_index\":6,\"move\":\"contribution_statement\"}],\"contribution_paragraph_index\":4,\"contribution_types\":[\"new_evidence\",\"new_data_or_measure\"],\"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\":\"conclusion\"}],\"results_presentation\":{\"economic_significance_discussed\":true,\"statistical_significance_language\":\"unclear\",\"magnitude_statements_in_intro\":true},\"robustness\":{\"location\":\"within_results\",\"types\":[\"subsample\",\"alternative_specification\",\"other\"]},\"tables\":{\"convention_notes\":\"Table notes define the sample (a named 'Analysis Sample' built from a random half of each firm-location-window), the dependent indicator variables, peer means taken from the excluded half-sample, and the controls carried over from earlier tables. Summary and descriptive tables come before the regression tables. The standard-error description is not visible in the excerpts.\",\"units_stated_in_notes\":true,\"standard_errors_description\":\"unclear\"},\"figures\":{\"uncertainty_shown\":\"no_figures\"},\"conclusion\":{\"bounded_claims\":true,\"policy_implications\":false,\"open_questions\":false,\"restates_contribution\":true},\"hedging\":{\"level\":\"moderate\",\"typical_devices\":[\"'suggests the potential'\",\"'consistent with rational responses'\",\"'is associated with'\",\"explicit admission that the exclusion restriction cannot be tested directly\",\"'some of this effect could come from uninformed mimicry'\"]},\"claim_evidence\":[{\"claim\":\"ESPP participation averages only 43% despite sizable forgone gains\",\"evidence_type\":\"table\",\"evidence_ref\":\"Table I; Table II\"},{\"claim\":\"A 10 pp rise in local peer participation is associated with a 1.5 pp higher probability that an employee participates\",\"evidence_type\":\"table\",\"evidence_ref\":\"Table IV\"},{\"claim\":\"Peer effects on participation hold in IV estimates using office demographic composition\",\"evidence_type\":\"table\",\"evidence_ref\":\"Table IV\"},{\"claim\":\"Peer effects are weaker for uninformed workers in offices without high-information colleagues\",\"evidence_type\":\"table\",\"evidence_ref\":\"Tables VIII, IX, X\"},{\"claim\":\"Coworkers' early-sale behavior predicts an employee's own decision to sell within two weeks\",\"evidence_type\":\"table\",\"evidence_ref\":\"Tables XI, XII\"}],\"structural_summary\":\"The introduction opens with retail-investor mistakes and workplace plans as a possible learning channel. It then previews the data, results and magnitudes, defends identification with IV and sorting checks, and sketches the information mechanism. Three paragraphs of literature positioning follow, and there is no roadmap. The body has a data and institutional section and one long results section, with subsections on baseline estimates, heterogeneity, the mechanism and sale timing. A short conclusion restates the findings.\",\"writing_profile_keywords\":[\"peer effects\",\"workplace networks\",\"ESPP\",\"fixed effects\",\"instrumental variables\",\"learning mechanism\",\"household finance\"],\"confidence\":0.8,\"notes\":\"Section I is tagged 'literature' by the role rule, but it is a data and institutional section. Robustness checks are embedded in the results subsections and the introduction. The abstract's final sentence fragment comes from the introduction's opening sentence. Causal language strength is set to 3 because the paper claims peer influence while acknowledging the untestable exclusion restriction.\"}", "json": {"genre": "empirical", "subfield": "household_finance", "subfield_secondary": "behavioral_finance", "primary_method": "reduced_form_regression", "identification": {"estimand": "Effect of the average participation or early-selling choices of local coworkers (same firm-location-window) on an employee's own ESPP participation and sale-timing decisions", "strategy": "Within-firm, same-election-window comparisons with metro-area (CBSA) fixed effects. Peer means are measured in an excluded random half-sample. This is supplemented by an IV approach in the style of Duflo-Saez and Case-Katz, using office demographic composition as instruments for peer choices. Heterogeneity tests by the presence of informed peers are used to identify a learning mechanism.", "key_assumptions": ["Office-level demographic composition affects own ESPP choices only through peer choices, after own traits are controlled (exclusion restriction)", "Within-firm, within-window office shocks are absorbed by location and demographic controls", "No endogenous sorting of workers to offices that is correlated with ESPP preferences"], "threats_addressed": ["Common office-level shocks not captured by controls", "Endogenous sorting into offices (dropping offices with extreme characteristic distributions)", "Reflection problem (excluded half-sample peer means)", "Uninformed mimicry versus learning (informed-peer presence tests)", "Firm-CBSA-month fixed effects for within-office heterogeneity", "Office size and headquarters-state exclusions"]}, "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": 1}, "magnitude": {"present": false, "sentence_index": -1}, "contribution": {"present": true, "sentence_index": 3}}, "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": 1, "move": "mechanism_or_theory_sketch"}, {"paragraph_index": 2, "move": "identification_defense"}, {"paragraph_index": 2, "move": "robustness_mention"}, {"paragraph_index": 3, "move": "mechanism_or_theory_sketch"}, {"paragraph_index": 3, "move": "preview_of_results"}, {"paragraph_index": 4, "move": "related_literature_positioning"}, {"paragraph_index": 4, "move": "contribution_statement"}, {"paragraph_index": 5, "move": "related_literature_positioning"}, {"paragraph_index": 6, "move": "related_literature_positioning"}, {"paragraph_index": 6, "move": "contribution_statement"}], "contribution_paragraph_index": 4, "contribution_types": ["new_evidence", "new_data_or_measure"], "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": "conclusion"}], "results_presentation": {"economic_significance_discussed": true, "statistical_significance_language": "unclear", "magnitude_statements_in_intro": true}, "robustness": {"location": "within_results", "types": ["subsample", "alternative_specification", "other"]}, "tables": {"convention_notes": "Table notes define the sample (a named 'Analysis Sample' built from a random half of each firm-location-window), the dependent indicator variables, peer means taken from the excluded half-sample, and the controls carried over from earlier tables. Summary and descriptive tables come before the regression tables. The standard-error description is not visible in the excerpts.", "units_stated_in_notes": true, "standard_errors_description": "unclear"}, "figures": {"uncertainty_shown": "no_figures"}, "conclusion": {"bounded_claims": true, "policy_implications": false, "open_questions": false, "restates_contribution": true}, "hedging": {"level": "moderate", "typical_devices": ["'suggests the potential'", "'consistent with rational responses'", "'is associated with'", "explicit admission that the exclusion restriction cannot be tested directly", "'some of this effect could come from uninformed mimicry'"]}, "claim_evidence": [{"claim": "ESPP participation averages only 43% despite sizable forgone gains", "evidence_type": "table", "evidence_ref": "Table I; Table II"}, {"claim": "A 10 pp rise in local peer participation is associated with a 1.5 pp higher probability that an employee participates", "evidence_type": "table", "evidence_ref": "Table IV"}, {"claim": "Peer effects on participation hold in IV estimates using office demographic composition", "evidence_type": "table", "evidence_ref": "Table IV"}, {"claim": "Peer effects are weaker for uninformed workers in offices without high-information colleagues", "evidence_type": "table", "evidence_ref": "Tables VIII, IX, X"}, {"claim": "Coworkers' early-sale behavior predicts an employee's own decision to sell within two weeks", "evidence_type": "table", "evidence_ref": "Tables XI, XII"}], "structural_summary": "The introduction opens with retail-investor mistakes and workplace plans as a possible learning channel. It then previews the data, results and magnitudes, defends identification with IV and sorting checks, and sketches the information mechanism. Three paragraphs of literature positioning follow, and there is no roadmap. The body has a data and institutional section and one long results section, with subsections on baseline estimates, heterogeneity, the mechanism and sale timing. A short conclusion restates the findings.", "writing_profile_keywords": ["peer effects", "workplace networks", "ESPP", "fixed effects", "instrumental variables", "learning mechanism", "household finance"], "confidence": 0.8, "notes": "Section I is tagged 'literature' by the role rule, but it is a data and institutional section. Robustness checks are embedded in the results subsections and the introduction. The abstract's final sentence fragment comes from the introduction's opening sentence. Causal language strength is set to 3 because the paper claims peer influence while acknowledging the untestable exclusion restriction."}, "model": "claude-opus-5-5", "stop_reason": "end_turn", "latency_s": 17.35, "usage": {"input": 6594, "output": 2167, "cache_read": 3968, "cache_write": 0}, "cost_usd": 0.07051, "request_id": "req_011Cggqcb3gWzwYn9zemPWva", "cached": false, "ts": "2026-11-03T23:10:50+00:00", "effort": "medium"}