1{"text": "{\"genre\":\"mixed_theory_empirical\",\"subfield\":\"corporate_finance\",\"subfield_secondary\":\"corporate cash holdings / governance\",\"primary_method\":\"instrumental_variables\",\"identification\":{\"estimand\":\"Effect of financial portfolio size on the share of the portfolio held in risky assets; marginal value of risky versus safe financial assets\",\"strategy\":\"Panel regressions run by OLS and by 2SLS. Portfolio size is instrumented with unexpected operating cash flow innovations. 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It introduces hand-collected fair value data made available by SFAS 157, then describes portfolio composition. A theory section sketches a precautionary-savings model extended to risky and illiquid assets, with the formal derivation in an internet appendix. Empirical tests follow: univariate sorts, then OLS/2SLS determinants (taxes, agency, CEO traits), then valuation and financing-source tests. The conclusion frames the findings as a largely unregulated shadow asset management industry.\",\"writing_profile_keywords\":[\"hand-collected data\",\"model-consistent predictions\",\"precautionary savings\",\"2SLS\",\"shadow hedge fund framing\",\"policy implications\",\"anecdotal motivation\"],\"confidence\":0.8,\"notes\":\"Theory is summarized in the main text and formally derived in an internet appendix. Standard error treatment is not visible in the excerpts. 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