that we would expect the effect of market concentration on firm survival to be different according to whether an industry … concentration rates reduce the survival of new plants but only in markets marked by low entry and exit rates. Specifically, a 10 … percent increase in the 5-firm concentration ratio or the Herfindahl index in a dynamic market, raises the survival rate of …

the determinants of entrepreneurial persistence. Next to observed survival we also construct a hybrid persistence measure … indicators emphasize different aspects of persistence. For the survival indicator, the predictive power is concentrated in … differ in survival chances, but they are more likely to lack a high psychological commitment to their business ventures. …