This study examines whether the “Sell in May and Go Away” (or Halloween) trading strategy still offers an opportunity to earn abnormal returns. In contrast to prior studies, we consider sample periods during which adequate investment instruments were available for an effective implementation...

We analyze the heterogeneity in asset allocation decisions of different investor groups in response to changes in the macroeconomic environment. Using a new data set that includes the monthly portfolio holdings of private, commercial, and institutional investors deposited with Swiss banks, we...