Immigration is often blamed for increasing unemployment among local workers. However, standard models, such as the neoclassical model and the Diamond-Mortensen-Pissarides matching model, inherently assume that immigrants are absorbed into the labor market without affecting local unemployment....

This paper develops a model of unemployment fluctuations. The model keeps the architecture of the Barro and Grossman (1971) general disequilibrium model but replaces the disequilibrium framework on the labor and product markets by a matching framework. On the product and labor markets, both...