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Antitakeover Provisions and Firm Value: New Evidence from the M&A Market

Journal of Corporate Finance 2020 62, 101594 open access
New evidence from acquisition decisions suggests that antitakeover provisions (ATPs) may increase firm value when internal corporate governance is sufficiently strong. We document that, in Germany, firms with stronger ATPs, and particularly supermajority provisions, are better acquirers. Managers of high-ATP firms create value in acquisitions by making governance-improving deals. They are more likely to engage in acquisitions that reduce their own entrenchment level and less likely to invest in declining industries. The empirical evidence is consistent with a short-termist interpretation. Takeover threats can induce myopic investment decisions, which ATPs can mitigate. They lead managers to engage more often in value-creating long-term and innovative investing, and increase a firm's sensitivity to investment opportunities. Our findings contribute to a growing literature challenging conventional wisdom that the agency-increasing effect of ATPs empirically dominates the myopia-eliminating effect, suggesting that a more contextual view of the value implications of ATPs is necessary.

Can ethics be taught? Evidence from securities exams and investment adviser misconduct

Journal of Financial Economics 2020 138(1), 159-175 open access
We study the consequences of a 2010 change in the investment adviser qualification exam that reallocated coverage from the rules and ethics section to the technical material section. Comparing advisers with the same employer in the same location and year, we find those passing the exam with more rules and ethics coverage are one-fourth less likely to commit misconduct. The exam change appears to affect advisers’ perception of acceptable conduct and not just their awareness of specific rules or selection into the qualification. Those passing the rules and ethics-focused exam are more likely to depart employers experiencing scandals. Such departures also predict future scandals. Our paper offers the first archival evidence on how rules and ethics training affects conduct and labor market activity in the financial sector.

Board connections and crisis performance: Family, state, and political networks

Journal of Corporate Finance 2020 64, 101630 open access
We introduce a novel concept of network interactions in which board connections provide access to external spheres of political influence, state ownership, and family control. We posit this form of indirect access via board association enables connected firms to benefit from information privy to external networks while avoiding their resource-based costs of membership. Board network data are assembled for 1290 East Asian firms and linked to hand-collected data on political connections and corporate ownership around the 2008–09 crisis. Companies with board connections to state-owned firms and family business groups had greater crisis-period accounting performance and stock returns. In countries with weak institutional development, board connections to politically connected firms were also beneficial.

Long-Term Impacts of Childhood Medicaid Expansions on Outcomes in Adulthood

Review of Economic Studies 2020 87(2), 792-821 open access
We use administrative data from the IRS to examine long-term impacts of childhood Medicaid eligibility expansions on outcomes in adulthood at each age from 19-28. Greater Medicaid eligibility increases college enrollment and decreases fertility, especially through age 21. Starting at age 23, females have higher contemporaneous wage income, although male increases are imprecise. Together, both genders have lower mortality. These adults collect less from the earned income tax credit and pay more in taxes. Cumulatively from ages 19-28, at a 3% discount rate, the federal government recoups 58 cents of each dollar of its "investment" in childhood Medicaid.

Teacher Expectations Matter

The Review of Economics and Statistics 2020 102(2), 234-251 open access
We show that tenth-grade teacher expectations affect students' likelihood of college completion. Our approach leverages a unique feature of a nationally representative dataset: two teachers provided their educational expectations for each student. Identification exploits teacher disagreements about the same student, an idea we formalize using a measurement error model. We estimate an elasticity of college completion with respect to teachers' expectations of 0.12. On average, teachers are overly optimistic, though white teachers are less so with black students. More accurate beliefs are counterproductive if there are returns to optimism or sociodemographic gaps in optimism. We find evidence of both.

Investor Information Acquisition and Money Market Fund Risk Rebalancing during the 2011–2012 Eurozone Crisis*

Review of Financial Studies 2020 33(4), 1445-1483 open access
We study investor redemptions and portfolio rebalancing decisions of prime money market mutual funds (MMFs) during the Eurozone crisis. We find that sophisticated investors selectively acquire information about MMFs’ risk exposures to Europe, which leads managers to withdraw funding from information-sensitive European issuers. That is, MMF managers, particularly those serving the most sophisticated investors, selectively adjust their portfolio risk exposures to avoid information-sensitive European risks, while maintaining or increasing risk exposures to other regions. This mechanism helps to explain the occurrence of selective “dry-ups” in debt markets where delegation is common and returns to information production are usually low.

Understanding Doctor Decision Making: The Case of Depression Treatment

Econometrica 2020 88(3), 847-878 open access
Treatment for depression is complex, requiring decisions that may involve trade-offs between exploiting treatments with the highest expected value and experimenting with treatments with higher possible payoffs. Using patient claims data, we show that among skilled doctors, using a broader portfolio of drugs predicts better patient outcomes, except in cases where doctors' decisions violate loose professional guidelines. We introduce a behavioral model of decision making guided by our empirical observations. The model's novel feature is that the trade-off between exploitation and experimentation depends on the doctor's diagnostic skill. The model predicts that higher diagnostic skill leads to greater diversity in drug choice and better matching of drugs to patients even among doctors with the same initial beliefs regarding drug effectiveness. Consistent with the finding that guideline violations predict poorer patient outcomes, simulations of the model suggest that increasing the number of possible drug choices can lower performance.

Election uncertainty, economic policy uncertainty and financial market uncertainty: A prediction market analysis

Journal of Banking & Finance 2020 110, 105684 open access
We examine the relationship between election uncertainty, economic policy uncertainty, and financial market uncertainty in a prediction-market analysis, covering seven US presidential election campaigns. We argue theoretically that changes in the incumbent party re-election probability should be a key driver of changes in policy uncertainty. Consistent with this theory, we find that a large portion of changes in financial uncertainty in the final stages of election campaign seasons is explained by changes in the probability of the incumbent party getting re-elected. Our findings suggest that the incumbent-party election probability, derived from prediction markets, is an important measure of economic policy uncertainty in the days leading up to US elections.

Modeling Time-Varying Uncertainty of Multiple-Horizon Forecast Errors

The Review of Economics and Statistics 2020 102(1), 17-33 open access
We estimate uncertainty measures for point forecasts obtained from survey data, pooling information embedded in observed forecast errors for different forecast horizons. To track time-varying uncertainty in the associated forecast errors, we derive a multiple-horizon specification of stochastic volatility. We apply our method to forecasts for various macroeconomic variables from the Survey of Professional Forecasters. Compared to simple variance approaches, our stochastic volatility model improves the accuracy of uncertainty measures for survey forecasts.

Risk Attitudes, Sample Selection, and Attrition in a Longitudinal Field Experiment

The Review of Economics and Statistics 2020 102(3), 552-568 open access
We evaluate the temporal stability of risk preferences using a remarkable data set that combines sociodemographic information from the Danish Civil Registry with information on risk attitudes from a longitudinal field experiment. Our econometric model accounts for endogenous sample selection and attrition processes that may confound inferences about temporal stability. Our experimental design builds in randomization on the incentives for participation that facilitates empirical identification of the model. In general, we find evidence consistent with temporal stability after correcting for the effects of selection and attrition. When neglected, these effects change our inferences in an economically and statistically significant manner.