This paper analyses the dynamic consequences of interest rate feedback rules in a flexible-price model where money enters the utility function. Two alternative rules are considered based on past or predicted inflation rates. The main feature is to consider inflation rates that are selected over...

Demichelis and Polemarchalis (2007) highlighted the role played by the frequency of trade on the degree of indeterminacy of equilibrium in economies of overlapping generations. Assuming that time has a finite starting point and extends into the infinite future, they prove that the degree of...

This paper proposes conditions for the existence and uniqueness of solutions to systems of linear differential or algebraic equations with delays or advances, in which some variables may be non-predetermined. These conditions represent the counterpart to the Blanchard and Kahn conditions for the...

We characterize the determinacy properties of the intertemporal equilibrium for a continuous-time, pure-exchange, overlapping generations economy with logarithmic preferences. Using recent advances in the theory of functional differential equations, we show that the equilibrium is locally unique...

This paper analyzes the solution of linear mixed-type functional differential equations with either predetermined or non-predetermined variables. Conditions characterizing the existence and uniqueness of a solution are given and related to the local stability and determinacy properties of the...

Macrodynamic models with finite lifetime and selfish individuals may feature (dynamically) inefficient equilibria, while models with infinite lifetime and altruistic individuals cannot. Do strong intergenerational altruism and high life expectancy prevent the occurence of inefficient equilibria?...

In this article, we consider illiquid life annuity contracts and show that they may be preferred to Yaari (1965)’s liquid contracts. In an overlapping-generation economy, liquid life annuities are demanded only if the equilibrium is dynamically inefficient. Alternatively, an equilibrium...

This paper proposes the use of optimal grouping methods for determining the various age groups within a population. The cuto� ages for these groups, such as the age from which an individual is considered to be an older person, are then endogenous variables that depend on the entire population...

We study a benchmark model with collateral constraints and heterogeneous discounting. Contrarily to a rich literature on borrowing limits, we allow for rental markets. By incorporating this missing market, we show that impatient agents choose to rent rather than to own the collateral in the...

This paper proposes a quantitative assessment of the interaction between the Gross Domestic Product (GDP) per capita and the unemployment rate, and permanent immigration in France over the period 1994-2008. It uses a new database where immigration is measured by the flow of issuing residence...