Mobility of highly-skilled workers affects and is affected by labor market conditions, taxes, and other policies. This paper documents the demographic and fiscal importance of international migration, especially in aging societies, reviews the efficiency and distributional effects of mobility,...

This Handbook entry presents a conceptual, normative overview of the subject of taxation. It emphasizes the relationships among the main functions of taxation—notably, raising revenue, redistributing income, and correcting externalities—and the mapping between these functions and various...

We propose a model of charity competition in which informed giving alone can explain quality heterogeneity across similar charities. It is this heterogeneity that also creates the demand for information. In equilibrium, too few donors pay to be informed; but interestingly, informed giving may...

We present a theory of charitable fund-raising in which it is costly to solicit donors. We fully characterize the optimal solicitation strategy that maximizes donations net of fundraising costs. The optimal strategy dictates that the fund-raiser target only those individuals whose equilibrium...

I study a sequential-move public goods game based on the notion that leadership comes with an obligation; conscientious leadership. Provision by the leader of an amount of the public good below a minimum imposes a psychological cost on the follower which increases his unit cost of contribution....

The existing empirical literature on the US federal revenue-expenditure nexus has had mixed findings. Amongst those papers presenting evidence in favor of causation running from taxes to expenditures, support for the conventional, Friedman-type tax-spend hypothesis is nearly ubiquitous. Evidence...

I study a sequential-move public goods game based on the notion that leadership comes with an obligation; conscientious leadership. Provision by the leader of an amount of the public good below a minimum imposes a psychological cost on the follower which increases his unit cost of contribution....

The debate over legal requirements of a balanced federal budget has gained new life. A requirement would have strong implications for future fiscal policy. Done right, a requirement will allow Congress to combine a balanced budget with policy goals such as growth and full employment. Done wrong,...

Social contract theories assume that because personal security and private property are at risk in a state of nature, citizens will agree to grant Leviathan a monopoly of violence. But what is to prevent Leviathan from turning on his citizens once they have lain down their arms? The social...

Social contract theories assume that because personal security and private property are at risk in a state of nature, citizens will agree to grant Leviathan a monopoly of violence. But what is to prevent Leviathan from turning on his citizens once they have lain down their arms? The social...