This paper introduces new nonparametric statistical methods to evaluate zero-cost investment strategies. We focus on directional trading strategies, risk-adjusted returns, and the investor's decisions under uncertainty as the core of our analysis. By relying on classification tools with a long...

This paper examines the effect of the different legal environments for bargaining faced by public employees across the states on wage and employment outcomes for union and nonunion employees, and also on the extent of bargaining, using cross-section, within-city, and longitudinal analyses based...

Using a randomized experiment with an automobile manufacturing firm in China, we measure the effects of letting workers evaluate their managers on worker and firm outcomes. In the treatment teams, workers evaluate their supervisors monthly. We find that providing feedback leads to significant...

This paper investigates employee performance appraisals using data from a single US firm between 2001 and 2007. We find that performance appraisals are both informative and drive important components of the employment contract. We find that employee appraisal scores vary considerably both...

A fundamental question for education policy is whether outcomes-based accountability including comprehensive educator evaluations and a closer relationship between effectiveness and compensation improves the quality of instruction and raises achievement. We use synthetic control methods to study...

We constructed a time series of menu prices for the identifiable restaurants at which James Bond dined in France and the UK that yields one of the few international price series representing luxury services. This series enabled us to calculate a real exchange rate based on prices pertinent to...

We use a sample of full-time workers over 50 years of age from the 2004 and 2006 waves of the Health and Retirement Study to investigate whether workers in federal, state, and local government receive more generous wage and pension compensation than private sector workers, ceteris paribus. With...

We study the impact of government-led incentive systems by examining a staggered reform in the Chinese state-owned enterprise (SOE) performance evaluation policy. To improve capital allocative efficiency, in 2010, regulators switched from using return on equity (ROE) to economic value added...

We examine the performance of the offshore hedge fund industry over the period 1989 through 1995 using a database that includes defunct as well as currently operating funds. The industry is characterized by high attrition rates of funds and little evidence of differential manager skill. We...