We develop a monopolistically competitive model of trade with firm heterogeneity - in terms of productivity differences - and endogenous differences in the 'toughness' of competition across markets - in terms of the number and average productivity of competing firms. We analyze how these...

We develop a general equilibrium model of monopolistic competition and trade based on indirectly additive preferences and heterogenous firms. It generates markups independent from destination population but increasing in destination per capita income, as documented empirically. Trade...

Cost of living escalators are an important feature of North American labor contracts. This paper presents a measure of the response of index-linked wage increases to concurrent price increases for a sample of Canadian contracts, and then analyses this response in terms of a simple model of...

We study the incidence of pollution taxes and their impact on unemployment in an analytical general equilibrium efficiency wage model. We find closed-form solutions for the effect of a pollution tax on unemployment, factor prices, and output prices, and we identify and isolate different channels...

Group incentive systems have to overcome the free rider or 1/N problem, which gives workers an incentive to shirk, if they are to succeed. This paper uses new questions on responses to shirking from the General Social Survey and a special NBER survey of workers at over 300 worksites in 14...