This paper considers a class of two-player dynamic games in which each player controls a one-dimensional variable which we interpret as a level of cooperation. In the base model, there is an irreversibility constraint stating that this variable can never be reduced, only increased. It otherwise...

The fluctuations in incomes inherent in rural communities can be attenuated by reciprocal insurance. We develop a model of such insurance based on self-interested behaviour and voluntary participation. One individual assists another only if the costs of so doing are outweighed by the benefits...

We show that, in repeated common interest games without discounting, strong `perturbation implies efficiency' results require that the perturbations must include strategies which are `draconian' in the sense that they are prepared to punish to the maximum extent possible. Moreover, there is a...

This paper examines a dynamic model of mutual insurance when households can also engage in self-insurance by storage. This mutual insurance is informal as it is assumed that there is no enforcement mechanism, so any mutual insurance arrangements must be self-enforcing. It is shown how...

Following insights by Bewley (1999a), this paper analyses a model with downward rigidities in which firms cannot pay discriminate based on a year of entry to a firm, and develops an equilibrium model of wages and unemployment. We solve for the dynamics of wages and unemployment under conditions...

The paper analyzes reputation effects in perturbed repeated games with discounting. If there is some positive prior probability that one of the players is committed to play the same (pure) action in every period, then this provides a lower bound for her equilibrium playoff in all Nash...

A simple oligopolistic common-pool exhaustible resource game is considered. By analysing punishment strategies, including optimal punishments, it is possible to determine which cartel agreements are implementable in a non-cooperative play of the game. Joint-profit maximizing allocations are...

We consider the problem of stabilising the income of a country, henceforth the borrower, which would always prefer a stable income to a random income with the same average, i.e. a country which is risk-averse. This would be appropriate for countries which are heavily reliant upon agricultural...