This paper explores the effects of innovation efficiency on technology gap and product diversity between a leading firm and its competitor. Our analysis shows some interesting results: when innovation efficiency is sufficiently large and increases, the leading firm may expand technology gap, and...

Dewatripont and Tirole (2024) defend the morality of markets on the ground of an irrelevance result: the social production of moral actions is independent from competitive pressure on markets. No matter how strong competitive pressure is, markets perform well in diffusing signals about moral...