One of the pioneering works on endogenous market structures, by Tandon (1984), has extended the standard Cournot model with linear demand to endogenous entry and sunk R&D costs to show that the endogenous number of firms is independent from the size of the market. I generalize the model in many...

I analyze the Renaissance art market in Italy through a unique dataset on primary commissions between 1285 and 1550. Hedonic regressions on the real price of paintings allow me to advance evidence that the art market was to a large extent competitive, and that an important determinant of...

I study a merger between producers of complement inputs facing entry of superior inputs, with investment by the incumbents in deterministic cost reduction and by the entrants in probabilistic innovation, and competition in prices. The merger is profitable by solving Cournot complementarity...