context scale economies dominated the effects of choice and competition. This points to an often ignored trade-off between … scale and competition …

Previous research shows that firms shroud high add-on prices in competitive markets with naive consumers leading to … inefficiency. We analyze the effects of regulatory intervention via educating naive consumers on equilibrium prices and welfare … pricing strategy of firms. Educating consumers may do more harm than good and should thus only be considered if the regulator …

Credence goods markets are characterized by asymmetric information between sellers and consumers that may give rise to … has little influence, as predicted. Seller competition drives down prices and yields maximal trade, but does not lead to …

consumers are more likely to reap the benefits of greater competition. This method represents a powerful tool for supporting the …This paper presents a novel method for estimating the likely welfare effects of competition reforms for both current … and new consumers. Using household budget survey data for 2015/16 for Ethiopia and assuming a reform scenario that dilutes …

, firms are price-makers and wage-setters. Our setting combines monopolistic and monopsonistic competition, thus encapsulating …

number of issues, including free riding, firm heterogeneity, and collusion. We then study EAs empirically by comparing sales …