We study the entry and exit of firms across U.S. industries over the past 40 years. The elasticity of entry with respect to Tobin's Q was positive and significant until the late 1990s but declined to zero afterwards. Standard macroeconomic models suggest two potential explanations: rising entry...

We study the entry and exit of firms across U.S. industries over the past 40 years. The elasticity of entry with respect to Tobin’s Q was positive and significant until the late 1990s but declined to zero afterwards. Standard macroeconomic models suggest two potential explanations: rising...