In a two-sector-economy with real wage rigidity, we examine how technical progress in one sector affects aggregate unemployment. We show that aggregate unemployment decreases for uneven technical change in the case of Cobb-Douglas production functions. For every type of technical progress there...

We introduce a new task-based framework to describe production. It focuses on the fact that certain tasks are too complex for many workers to perform. In such an environment, the relationship between wages of workers may significantly differ from their relative productivities. The labor market...