This paper reviews recent studies on the links between competition, innovation and productivity growth in the long run. From a long-run perspective, one can see that gains from competition-enhancing regulatory reform are likely to exceed static gains observed in the short run since firms will...

In order to explain in a systematic way why certain combinations of market, financial, and legal structures may be intrinsic to certain capabilities to exchange real goods, we introduce criteria for abstracting the qualitative functions of markets. The criteria involve the number of strategic...

We introduce and justify a taxonomy for the structure of markets and minimal institutions which appear in constructing minimally complex trading structures to perform the functions of price formation, settlement and payments. Each structure is presented as a playable strategic market game and is...

We investigate whether competition between the fund companies that offer mutual funds constrains individual fund fees. We document that over half of individual fund fee variation is explained by company-wide components. Moreover, we show using SEC prospectus download data that company-level...

We examine how intermediary capitalization affects asset prices in a framework that allows for intermediary market power. We introduce a model in which capital-constrained intermediaries buy or trade an asset in an imperfectly competitive market, and we show that weaker capital constraints lead...

This paper develops a theory of oligopoly and markups in general equilibrium. Firms compete in a network of product market rivalries that emerges endogenously out of the characteristics of the products and services they supply. My model embeds a novel, highly tractable and scalable demand system...

We empirically study a dynamic platform competition in the online daily deals promotion industry characterized by intense rivalry between two leading promotion sites, Groupon and LivingSocial, that broker between local merchants and local consumers. We find that, for a comparable deal, the...

This paper reviews recent studies on the links between competition, innovation and productivity growth in the long run. From a long-run perspective, one can see that gains from competition-enhancing regulatory reform are likely to exceed static gains observed in the short run since firms will...

THE CONCEPT OF AN INDUSTRY IS IMPORTANT FOR ECONOMIC ANALYSIS. HERE, WE DEFINE SUGAR INDUSTRY AS GROUP OF FIRMS PRODUCING SUGAR THAT ARE CLOSE SUBSTITUTES BY THE USE OF IDENTICAL PRODUCTION PROCESSES AND RAW MATERIALS. HOWEVER, SUGAR INDUSTRY IN NIGERIA WAS STILL IN ITS PIONEERING STAGE. THIS...

In an industry characterised by secret vertical contracts, we consider a benchmark case where two vertical chains exist, with two upstream manufacturers selling to two downstream retailers, and show that the equilibrium prices are independent of whether upstream or downstream firms have all the...