A government that wants to increase welfare by subsidizing either an industry’s sales or process innovations or both has to account for possible changes of production, when firms can foresee the government’s actions. In an optimal control framework welfare can be increased by subsidizing...

This paper develops a simple framework to characterize the distribution of income and wealth in a real business cycle model. Agents are of two types depending on the human factor of production they own and they are located in separated markets, cities. In each city the two types of agent match...

This paper develops a two-sector, two-factor trade model with labor market frictions in which workers search for a job also when they are employed. On the job search (OJS) is a key ingredient to explain the response to trade liberalization of sectoral employment, unemployment and wage...