This article addresses the difficulty introducing a new currency into a domestic economy. The aim is to study how a government can influence private agents in their decision to accept, or reject a new fiat currency. Different historical examples teach us that some conditions must be fulfilled...

The United States has introduced two one-dollar coins in the past 25 years, both of which have not circulated widely. Many other countries have replaced lower-denomination notes with coins and have achieved wide circulation and cost savings. Lessons from those countries suggest that achieving...

This paper synthesizes the shirking and the matching approaches of equilibrium unemployment in order to endogenize the wage formation process as a function of labour market conditions. The steady state equilibrium can take two forms depending on wether the no-shirking condition is binding or...

Why is money divisible? To explore this question we introduce a mismatch problem into search-theoretic models of monetary exchange. We use alternative assumptions about the divisibility of goods and money and the ability of agents to use lotteries on money. Our framework potentially generates...

This paper analyzes the consequences of a working time reduction within a matching model with worker moral hazard. In the "laissez faire", workers and employers bargain over wages and working hours. When the no-shirking condition (NSC) is binding, the number of working hours is lower than the...