We examine the factors influencing published estimates of hedge fund performance. Using a sample of 1,019 intercept terms from regressions of hedge fund returns on risk factors (the alphas) collected from 74 studies, we document a strong downward trend in the reported alphas. The trend persists...

The substantial literature on the existence of an inverted U-shaped relationship between environmental degradation and economic growth-known as the Environmental Kuznets Curve (EKC)-has produced very mixed evidence. This largely depends on model and variable selection uncertainty. We address...