This paper develops a dynamic model wherein production generates pollution that is viewed as a public bad by consumers. There are two types of consumers : those who are altuist a la Barro-Becker and leave bequests to their children and those who are pure life-cyclers. Both types of consumers...

We study an endogenous business cycle model with Cournotian monopolistic competition and an endogenous number of firms in each sector. Our model is a simple general equilibrium macroeconomic model introducing overlapping generations both of consumers and firms. Firms strategically decide on...

In this paper, we study the welfare effects of monetary policy in a simple overlapping generation economy in which agents voluntary contribute to a public good. Inflation has two effects at equilibrium: it increases voluntary contributions and it misallocates private consumption across time. We...

We consider the "and" communication mechanism that inputs messages from two players and outputs the public signal "yes" if both messages are "yes", and outputs "no" otherwise. We prove that no correlation can securely be implemented through finite or infinite repetition of this mechanism.

Many indicators (OECD 1994) show tha the Italian labour market is characterised by a strong pro-workers and pro-unions legislation. This is usually interpreted as a high degree of rigidity. It is known that , in response to shocks, firms in rigid labour markets tend to trade workers adjustment...