Auctions with endogenous rationing have been introduced to stimulate competition. Such (procurement) auctions reduce the volume put out to tender when competition is low. This paper finds a strong negative effect of endogenous rationing on participation when bid-preparation is costly,...

This paper discusses the relation between trade and competition, revising the literature and using indicators, build with Brazilian industrial survey (PIA/IBGE) and foreign trade (Comtrade) data. The premise is that the structure of domestic competition is explained by concentration indices,...