We answer the somewhat narrower question of whether hedge funds adjust their conditional market exposure in response to real-time changes in macroeconomic conditions, and whether doing so improves their performance. We find that hedge funds differ substantially in their responsiveness to...

We answer the somewhat narrower question of whether hedge funds adjust their conditional market exposure in response to real-time changes in macroeconomic conditions, and whether doing so improves their performance. We find that hedge funds di↵er substantially in their responsiveness to...

This paper studies the long-term effect of hedge fund activism on the productivity of target firms using plant-level information from the U.S. Census Bureau. A typical target firm improves its production efficiency within two years after activism, and this improvement is concentrated in...

This paper studies how hedge fund activism impacts corporate innovation. Firms targeted by activists improve their innovation efficiency over the five-year period following hedge fund intervention. Despite a tightening in R&D expenditures, target firms increase innovation output, as measured by...

This article reviews shareholder activism by hedge funds. We first describe the nature and characteristics of hedge fund activism, including the objectives, tactics, and choices of target companies. We then analyze possible value creation brought about by activist hedge funds, both for...

This article reviews shareholder activism by hedge funds. We first describe the nature and characteristics of hedge fund activism, including the objectives, tactics, and choices of target companies. We then analyze possible value creation brought about by activist hedge funds, both for...