A numerical procedure capable of obtaining the equilibrium states of oligopoly markets under several assumptions is … and any location of the firms. Four scenarios of oligopoly markets were developed by combining both strategies from one …

offers especially when many consumers prefer comparable offers. This occurs after initial periods with strong competition and … leads to lower welfare for all consumers. In treatments where firms cannot monitor the competition, firms end up having to …

increase with the intensity of competition. We develop a new measure of competition for which we use the proximity (in … departure time) of a given flight to its competitors to infer the intensity of competition and estimate the impact of … competition on advance purchase discounts (APDs) and the dynamic pricing of airlines by exploiting plausibly exogenous changes in …

) Incentives to increase variety are higher for duopoly supermarkets because of the business stealing effect; 2) As more products … answer whether consumers are better-off in duopoly, when prices and variety are higher, I estimate consumer preferences. I … find that consumer welfare is higher under competition. However, that is a result from the wider choice of products rather …