In recent years many countries increased border controls, partly in response to public concerns that open borders are favoring cross-border crime. Despite these widespread concerns, empirical research on whether public fears are justi ed is still scarce. This article evaluates whether the...

Obesity not only leads to immense medical costs associated with treating obesity-related illness but is also associated with lower employment prospects and earnings. This study shows that sunshine-induced vitamin D may have a preventive effect on obesity for children. It investigates the...