This paper examines how political constraints can shape the social security system under different demographics. A steady state mapping between relevant economic and demographic variables and the social security tax rate resulting from a majority voting is provided. I calibrate an OLG model to...

A random-matching model (of money) is formulated in which there is complete public knowledge of the trading histories of a subset of the population, called the banking sector, and no public knowledge of the trading histories of the complement of that subset, called the non bank sector. Each...

How will the distribution of welfare, consumption and leisure across households be affected by social security reform? This paper addresses this question for social security reforms with a two-tier structure by comparing steady states under a realistic version of the current US system and under...

I build a model with heterogeneous agents which is consistent both with rising wage inequality across education levels and with an increasing relative number of college graduates. I use the model to investigate the welfare implications of policies which influence the structure of net wages. Each...

This paper quantifies the effects of social security on capital accumulation and wealth distribution in a life-cycle framework with altruistic individuals. The main findings of this paper are that the current U.S. social security system has a significant impact on capital accumulation and wealth...

This paper documents changes in the cyclical behavior of nominal data series that appear after 1979:Q3 when the Federal Reserve implemented a policy to lower the inflation rate. Such changes were not apparent in real variables. A business cycle model with impulses to technology and a role for...

We determine the second best rule for the inflation tax in monetary general equilibrium models where money is dominated in rate of return. The results in the literature are ambiguous and inconsistent across different monetary environments. We derive and compare the optimal inflation tax...

What are the conditions under which Gresham's Law holds? And what are the mechanics of a debasement? To analyze these questions, we develop a model of commodity money with light and heavy coins, imperfect information, and prices determined via bilateral bargaining. There are equilibria with...

Open economy extensions of real business cycle models, even if generally successful, have met some difficulties replicating a few important stylized facts. In particular these models tend to predict excessive consumption smoothing and consumption correlation across countries. The observed...

I compare the predictions of two types of dynastic models for the persistence of wealth across generations: models that focus on uninsurable risk and intergenerational consumption smoothing but abstract from the fertility decision, such as Loury [1981] and Laitner [1992], and models without risk...