We develop a theory of innovation for entry and sale into oligopoly, and show that inventions of higher quality are …

defend their monopoly position and prevent innovation and entry of high-quality competitors. This requires that the incumbent … quality upgrade related to innovation. Consistently with our empirical findings, the model delivers a negative association …

-return characteristics of the selected innovation project and the mode of commercialization chosen by entrepreneurs (market entry versus sale …

We empirically investigate whether the persistence of politicians in political institutions affects the innovation …’ innovation activity. However, once the causal effect is isolated by means of instrumental variables, using death of politicians … persistence and the probability of process innovation. This finding is consistent with the view that political stability may …