A fundamental question in monopolistic competition theory is whether the market allocates resources efficiently. This … quantities, variety and productivity. Under constant elasticity demand, each firm prices above its average cost, yet we show …

composition of intermediate goods, and the distinction between value added productivity and gross output productivity. We …

based on the theory of call options, I solve 'FDI option' as a put option, thereby also enriching the theory of real options. …

firms with low productivity and relatively few firms with high productivity. …

elasticity and multiple asymmetric regions, in which trade integration induces wage and productivity changes. Using Canada …-US interregional trade data, we structurally estimate a theory-based gravity equation system featuring endogenous wages and … productivity. Given the estimated parameter values, we first decompose border effects into a pure border effect, relative and …

. This hints at the presence of a "productivity effect" whereby offshoring and immigration improve industry efficiency …How do offshoring and immigration affect the employment of native workers? What kinds of jobs suffer, or benefit, most … looked at the effects of offshoring and immigration separately, we argue that one can gain useful insights by jointly …

A simple model of offshoring is used to integrate the complex gallery of results that exist in the theoretical … offshoring/fragmentation literature. The paper depicts offshoring as 'shadow migration' and shows that this allows … conditions are provided). We show that offshoring requires modification of the four HO theorems, so econometricians who ignore …

: the distinction between the displacement, productivity and amenity effects of immigration; the issues that arise in using …