1{"text": "{\"genre\":\"mixed_theory_empirical\",\"subfield\":\"asset_pricing\",\"subfield_secondary\":\"behavioral_finance\",\"primary_method\":\"structural_estimation\",\"identification\":{\"estimand\":\"Degree of overreaction in analysts' long-term growth expectations (representativeness parameter theta) and its implications for return predictability across LTG-sorted portfolios\",\"strategy\":\"Portfolio sorts on analyst LTG; forecast-error regressions of the Coibion-Gorodnichenko type; estimation of a diagnostic Kalman filter model by simulated method of moments; cross-sectional tests of kernel-of-truth predictions\",\"key_assumptions\":[\"Analyst LTG forecasts proxy for market beliefs\",\"Earnings follow the assumed latent-fundamentals process\",\"Diagnostic expectations are the correct belief-formation model\"],\"threats_addressed\":[\"Bayesian learning as an alternative explanation\",\"Adaptive/mechanical extrapolation as an alternative explanation\"],\"causal_language_strength\":2,\"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\":true,\"sentence_index\":2}},\"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\":\"contribution_statement\"},{\"paragraph_index\":1,\"move\":\"preview_of_results\"},{\"paragraph_index\":1,\"move\":\"roadmap\"},{\"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\":\"contribution_statement\"},{\"paragraph_index\":5,\"move\":\"related_literature_positioning\"}],\"contribution_paragraph_index\":1,\"contribution_types\":[\"new_evidence\",\"new_theory_or_model\",\"resolution_of_puzzle\"],\"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\":\"theory\"},{\"idx\":4,\"role\":\"theory\"},{\"idx\":5,\"role\":\"results\"},{\"idx\":6,\"role\":\"results\"},{\"idx\":7,\"role\":\"conclusion\"}],\"results_presentation\":{\"economic_significance_discussed\":true,\"statistical_significance_language\":\"unclear\",\"magnitude_statements_in_intro\":false},\"robustness\":{\"location\":\"none_seen\",\"types\":[]},\"tables\":{\"convention_notes\":\"Table notes describe the decile portfolio formation on LTG each December from 1981 to 2015, equal weighting, and the variable definitions. Significance is marked with a letter superscript (e.g., 'a' for 1%). Year fixed effects are included but not shown. Model parameters are defined at the quarterly scale.\",\"units_stated_in_notes\":true,\"standard_errors_description\":\"unclear\"},\"figures\":{\"uncertainty_shown\":\"unclear\"},\"conclusion\":{\"bounded_claims\":true,\"policy_implications\":false,\"open_questions\":true,\"restates_contribution\":true},\"hedging\":{\"level\":\"moderate\",\"typical_devices\":[\"'does a reasonable job' fit language\",\"'this is just a start' framing\",\"'in line with' phrasing for predictions\"]},\"claim_evidence\":[{\"claim\":\"With 20 extra years of data, low-LTG stocks still outperform high-LTG stocks\",\"evidence_type\":\"figure\",\"evidence_ref\":\"Figure 1\"},{\"claim\":\"High-LTG firms show fast past EPS growth that slows afterward\",\"evidence_type\":\"figure\",\"evidence_ref\":\"Figure 2\"},{\"claim\":\"Analyst forecast errors are predictable, consistent with overreaction\",\"evidence_type\":\"table\",\"evidence_ref\":\"Table II\"},{\"claim\":\"The SMM-estimated diagnostic model reproduces key data patterns\",\"evidence_type\":\"table\",\"evidence_ref\":\"Table III; Figure 6\"},{\"claim\":\"The LLTG-minus-HLTG return spread widens for firms with more volatile or persistent fundamentals\",\"evidence_type\":\"table\",\"evidence_ref\":\"Table IV\"},{\"claim\":\"High-LTG group has a fat right tail of top performers, and analysts overstate its frequency\",\"evidence_type\":\"figure\",\"evidence_ref\":\"Figures 7-8\"},{\"claim\":\"Expectations revert even without news, reflecting true mean reversion in earnings growth\",\"evidence_type\":\"figure\",\"evidence_ref\":\"Figure 9\"}],\"structural_summary\":\"Opens by revisiting a known return anomaly and frames it as a puzzle. Lists three innovations: a portable psychological model, a joint account of fundamentals, expectations and returns, and new predictions that set the model apart from adaptive expectations. Data and stylized facts come first. Next, a diagnostic Kalman filter model is developed and mapped to those facts. Overreaction is then quantified with forecast-error regressions and SMM estimation. Kernel-of-truth predictions are tested cross-sectionally. The conclusion restates portability and points to extensions.\",\"writing_profile_keywords\":[\"behavioral asset pricing\",\"representativeness\",\"diagnostic expectations\",\"portfolio sorts\",\"kernel of truth\",\"SMM estimation\",\"analyst forecasts\"],\"confidence\":0.8,\"notes\":\"Primary method is ambiguous: the paper mixes portfolio-sort evidence with SMM estimation. Bootstrapped means are mentioned in the figure captions, but whether confidence bands are plotted is not visible.\"}", "json": {"genre": "mixed_theory_empirical", "subfield": "asset_pricing", "subfield_secondary": "behavioral_finance", "primary_method": "structural_estimation", "identification": {"estimand": "Degree of overreaction in analysts' long-term growth expectations (representativeness parameter theta) and its implications for return predictability across LTG-sorted portfolios", "strategy": "Portfolio sorts on analyst LTG; forecast-error regressions of the Coibion-Gorodnichenko type; estimation of a diagnostic Kalman filter model by simulated method of moments; cross-sectional tests of kernel-of-truth predictions", "key_assumptions": ["Analyst LTG forecasts proxy for market beliefs", "Earnings follow the assumed latent-fundamentals process", "Diagnostic expectations are the correct belief-formation model"], "threats_addressed": ["Bayesian learning as an alternative explanation", "Adaptive/mechanical extrapolation as an alternative explanation"], "causal_language_strength": 2, "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": true, "sentence_index": 2}}, "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": "contribution_statement"}, {"paragraph_index": 1, "move": "preview_of_results"}, {"paragraph_index": 1, "move": "roadmap"}, {"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": "contribution_statement"}, {"paragraph_index": 5, "move": "related_literature_positioning"}], "contribution_paragraph_index": 1, "contribution_types": ["new_evidence", "new_theory_or_model", "resolution_of_puzzle"], "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": "theory"}, {"idx": 4, "role": "theory"}, {"idx": 5, "role": "results"}, {"idx": 6, "role": "results"}, {"idx": 7, "role": "conclusion"}], "results_presentation": {"economic_significance_discussed": true, "statistical_significance_language": "unclear", "magnitude_statements_in_intro": false}, "robustness": {"location": "none_seen", "types": []}, "tables": {"convention_notes": "Table notes describe the decile portfolio formation on LTG each December from 1981 to 2015, equal weighting, and the variable definitions. 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