Gutiérrez Gallardo, Germán; Jones, Callum; Philippon, … - 2019
concentration in the US economy. Using asset prices and industry data, we estimate realized and anticipated shocks that drive entry … and concentration. We validate our approach by showing that the model-implied entry shocks correlate with independently … constructed measures of entry regulations and M and As. We conclude that entry costs have risen in the U.S. over the past 20 years …