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The effects of q and cash flow on investment in the presence of measurement error

Journal of Financial Economics 2018 128(2), 363-377
I analyze investment, q, and cash flow in a tractable stochastic model in which marginal q and average q are identically equal. I introduce classical measurement error and derive closed-form expressions for the coefficients in regressions of investment on q and cash flow. The cash-flow coefficient is positive and larger for faster growing firms, yet there are no financial frictions in the model. I develop the concepts of bivariate attenuation and weight shifting to interpret the estimated coefficients on q and cash flow in the presence of measurement error.

Skill Requirements across Firms and Labor Markets: Evidence from Job Postings for Professionals

Journal of Labor Economics 2018 36(S1), S337-S369
We study variation in skill demands for professionals across firms and labor markets. We categorize a wide range of keywords found in job ads into 10 general skills. There is substantial variation in these skill requirements, even within narrowly defined occupations. Focusing particularly on cognitive and social skills, we find positive correlations between each skill and external measures of pay and firm performance. We also find evidence of a cognitive social skill complementarity for both outcomes. As a whole, job skills have explanatory power in pay and firm performance regressions beyond what is available in widely used labor market data.

Controlling Contradictions Among Regulations

American Economic Review 2018 open access
Congress pursues externalities one at a time. The resulting legislation embodies the same sequential approach, instructing regulatory agencies to set and enforce standards for a single problem. Rarely, if ever, are agencies instructed or even permitted to account for contradictions with other federal legislation and rulemaking.

Mitigating Strategies for Carbon Dioxide Problems

American Economic Review 2018 open access
Few economists are aware of a wonderful problem. While climatologists claimed it first, the twists and turns make- the problem appear almost as if it were devised to show off the tools and controversies of microeconomics. Even more astounding is the fact that such an abstract, long-term problem excites the interest of the general public and media, and even politicians who desire more resources 1O be spent on research.

Optimal Inference in a Class of Regression Models

Econometrica 2018 86(2), 655-683 open access
We consider the problem of constructing confidence intervals (CIs) for a linear functional of a regression function, such as its value at a point, the regression discontinuity parameter, or a regression coefficient in a linear or partly linear regression. Our main assumption is that the regression function is known to lie in a convex function class, which covers most smoothness and/or shape assumptions used in econometrics. We derive finite‐sample optimal CIs and sharp efficiency bounds under normal errors with known variance. We show that these results translate to uniform (over the function class) asymptotic results when the error distribution is not known. When the function class is centrosymmetric, these efficiency bounds imply that minimax CIs are close to efficient at smooth regression functions. This implies, in particular, that it is impossible to form CIs that are substantively tighter using data‐dependent tuning parameters, and maintain coverage over the whole function class. We specialize our results to inference on the regression discontinuity parameter, and illustrate them in simulations and an empirical application.

Does it pay to treat employees well? International evidence on the value of employee-friendly culture

Journal of Corporate Finance 2018 50, 84-108
We examine the valuation impact of an employee-friendly (EF) culture. Using a sample of 3446 firms from 43 countries for the period 2003 to 2014, we show that firms with a more EF culture are valued higher and perform better (ROA, ROE). Consistent with the good governance view, the impact is stronger for firms in countries with better investor protection and for firms with better governance and lower agency costs. We further document a positive valuation associated with the enactment of laws aimed at improving parental leave policies. The impact on valuation stems from improved technical efficiency. Using various approaches, our results suggest that the impact of an EF culture on firm value is causal.

Not all clawbacks are the same: Consequences of strong versus weak clawback provisions

Journal of Accounting and Economics 2018 66(1), 291-317 open access
We develop a Clawback Strength Index and show that while some firms adopt unambiguous and strong clawback provisions, others adopt weak ones. We find that strong clawback adopters experience improvements in financial reporting quality, fewer CEO turnovers, and lower CEO pay. We advance two possible explanations: First, clawback strength may be primarily responsible for the improvements in reporting quality. Second, strong clawbacks may yield benefits because they are part of a broader reform package. While our findings on reporting quality and CEO turnover are consistent with both explanations, our results on CEO pay support only the broader reform explanation.

What does it take? Comparison of research standards for promotion in finance

Journal of Corporate Finance 2018 49, 379-387
Promotion decisions for professors are critical for any university and this is especially true when promotion also involves the granting of tenure. In this paper, we report the number of publications for Finance professors promoted to Associate or Full Professor at schools similar to the University of Georgia and also at the Top 10 Finance Departments. We also provide evidence on citations of the individuals' research. Our data reveal similarities in terms of the total number of articles published (between 6 and 8 for promotion to Associate Professor), the number of articles published in Finance “A” journals (about 3), and the number of citations between peer and aspirant schools. We find evidence that Associate Professors at Top 10 Departments have slightly more “A” articles and receive more citations to their work than those at lower ranked institutions. We find similar results for those promoted to Full Professor – similar publication records but with more “A” publications and citations for those in Top 10 Departments. Our paper provides up-to-date information on some of the factors considered for promotion of Finance professors. However, the much more difficult part of promotion decisions is determining the impact of past research and the potential for future contributions. In addition, teaching, service, and other departmental contributions are key to the promotion decision.