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An Embarrassment of Riches: Confronting Omitted Variable Bias and Multi-Scale Capitalization in Hedonic Price Models

The Review of Economics and Statistics 2011 93(4), 1331-1342
Many researchers have addressed concerns of omitted variable bias in hedonic price models through the use of spatial fixed effects. We argue that this approach does not consider the biases introduced by effects that overlap the zone of capitalization for nonmarket goods. We show this bias can dominate the usual omitted variable bias using data on developer-provided open space. We control for multiscale capitalization and omitted variables simultaneously by extending the Hausman-Taylor estimator where the panel component of the estimator is defined over repeated transactions within neighborhoods rather than the traditional definition following a unique cross-sectional unit through time.

Former CEO Directors: Lingering CEOs or Valuable Resources?

Review of Financial Studies 2011 24(10), 3486-3518 open access
We investigate corporate governance experts' claim that it is detrimental to a firm to reappoint former CEOs as directors after they step down as CEOs. We find that more successful and more powerful former CEOs are more likely to be reappointed to the board multiple times after they step down as CEOs. Firms benefit, on average, from the presence of former CEOs on their boards. Firms with former CEO directors have better accounting performance, have higher relative turnover-performance sensitivity of the successor CEO, and can rehire their former CEO directors as CEOs after extremely poor firm performance under the successor CEOs.

Egalitarianism and international investment

Journal of Financial Economics 2011 102(3), 621-642
This study identifies how country differences on a key cultural dimension—egalitarianism—influence international investment flows. A society's cultural orientation toward egalitarianism is manifested by intolerance for abuses of market and political power and a desire for protecting less powerful actors. We show egalitarianism to be based on exogenous factors including social fractionalization, dominant religion circa 1900, and war experience from the 19th century. We find a robust influence of egalitarianism distance on cross-national flows of bond and equity issuances, syndicated loans, and mergers and acquisitions. An informal cultural institution largely determined a century or more ago, egalitarianism exercises its effect on international investment via an associated set of consistent contemporary policy choices. But even after controlling for these associated policy choices, egalitarianism continues to exercise a direct effect on cross-border investment flows, likely through its direct influence on managers' daily business conduct.

How Important Is the Financial Media in Global Markets?

Review of Financial Studies 2011 24(12), 3941-3992
This article studies differences in the information content of 870,000 news announcements in 56 markets around the world. In most developed markets, a firm's stock price moves much more on days with public news about the firm. In contrast, in many emerging markets volatility is similar on news and non-news days. We examine several hypotheses for our findings. Cross-country differences in stock price reactions are best explained by insider trading, followed by differences in the quality of the news dissemination mechanism. Our findings are useful for quantifying the extent of insider trading and how the financial media affects international markets.

Liquidity and asset pricing: Evidence from the Hong Kong stock market

Journal of Banking & Finance 2011 35(9), 2217-2230
This study investigates the role of liquidity in pricing stock returns in the Hong Kong stock market. Our results show that liquidity is an important factor for pricing returns in Hong Kong after taking well-documented asset pricing factors into consideration. The results are robust to adding portfolio residuals and higher moment factor in the factor models. The results are also robust to seasonality, and conditional-market tests. We also compare alternative factor models and find that the liquidity four-factor model (market excess return, size, book-to-market ratio, and liquidity) is the best model to explain stock returns in the Hong Kong stock market, while the momentum factor is not found to be priced.

Challenges from State-Federal Interactions in US Climate Change Policy

American Economic Review 2011 101(3), 253-257
With a focus on two sorts of regulation—renewable electricity and clean energy standards, and automobile fuel-economy standards—we analyze problematic interactions that arise when state policies are nested within the domain of Federal policy. Here state efforts may fail to reduce greenhouse gas emissions nationally, and may compromise cost-effectiveness. Difficulties from overlapping regulations are avoidable through price- (as opposed to quantity-) based Federal policy. We identify some potentially positive interactions between state and Federal policies, and identify rationales for state action when Federal and state policies do not overlap.

Accounting Adjustments and the Valuation of Financial Statement Note Information in 10-K Filings

The Accounting Review 2011 86(5), 1577-1604 open access
We examine the valuation of financial statement note information at the time of 10-K filings. We find that stock returns around 10-K filings are positively related to accounting adjustments calculated from financial statement note information. We further document that the likelihood of equity analysts issuing a report and updating their target price estimates at the 10-K dates is increasing in the magnitude of the adjustments. Those analysts who do update their target prices at this time revise their estimates consistent with the sign and magnitude of the adjustments. These findings are consistent with financial statement users utilizing financial statement note information to make accounting adjustments, thereby incorporating this information into stock prices. JEL Classifications: G14, G29, M40, M41, M44. Data Availability: All data are publicly available from the sources identified in the article.

Misclassification between Patent Offices: Evidence from a Matched Sample of Patent Applications

The Review of Economics and Statistics 2011 93(3), 1063-1075
In this paper, we estimate the extent of misclassification in patent examination decisions between the European Patent Office (EPO) and the Japanese Patent Office (JPO), that is, applications that are incorrectly refused a patent or incorrectly granted a patent. Using a proxy for inventive step as the predictor of the correct decision, we find that the probability that a “true grant” application is refused is 6.1%, while the probability that a “true refusal” application is granted is 9.8%. However, we find no evidence of an increasing trend of granting “bad” patents at the EPO and JPO.

Long-term Consequences of Vietnam-Era Conscription: New Estimates Using Social Security Data

American Economic Review 2011 101(3), 334-338 open access
We use the draft lottery to construct instrumental variables (IV) estimates of the impact of Vietnam-era military service on veterans' Social Security (SSA) earnings through 2007. We also use SSA data to construct IV estimates for employment (as measured by an indicator for positive earnings) and disability status (as measured by an indicator for social security disability program application). New findings for recent years show surprisingly rapid convergence in veteran and nonveteran earnings: by the early 1990s, there was no longer a substantial Vietnam-era conscription penalty. The IV estimates also show no effect on employment or disability rates.

Battle Scars? The Puzzling Decline in Employment and Rise in Disability Receipt among Vietnam Era Veterans

American Economic Review 2011 101(3), 339-344 open access
Using Current Population Survey and US Army administrative data, we document that between 2000 and 2010, the employment rate of Vietnam era veterans fell markedly relative to non-veterans of the same cohorts while simultaneously their enrollment increased steeply in the Veterans Disability Compensation (DC) program, which provides healthcare and transfer payments to veterans with service-connected disabilities. Thirty percent of Vietnam era Army veterans enrolled in DC in 2006 received benefits for Post-Traumatic Stress Disorder, with median annual payments of $25,500. The declining employment and rising transfer payments to Vietnam era veterans underscore the long-term private and public costs of wartime service, potentially stemming from both adverse health consequences and policies that have expanded benefits eligibility.