This paper studies the announcement returns from 4,764 mergers over the last 57 years in order to shed light on the causes of corporate diversification. One prominent view is that diversification is value destroying, either because of agency problems or internal investment distortions, but we...

This paper studies how investors responded when Chinese regulators required a group of large, publicly traded companies to divest their non-core hotel and real estate assets in 2010. The quasi-experiment allows direct estimates of the effect of diversification on value that are free from common...