Results from the Seattle and Denver Income Maintenance Experiments are used to predict nationwide labor-supply effects and costs of six alternative negative income tax programs. To make the predictions, a labor-supply model parameterizing the experimental treatments is estimated using...

In this volume, a select group of UI researchers describes the motivation for and the design, implementation, and impacts of UI bonus experiments administered in Illinois, Pennsylvania, and Washington. They also describe the benefits and costs of the various experimental treatments for the...

This paper outlines the purpose and rationale of the income maintenance experiments in Seattle and Denver. A review of experimental design and operation is presented, and particular reference is made to methods for minimizing bias arising from the limited experimental nature of the study. The...

Unemployment insurance is intended to reduce hardship by providing labor force members with partial wage replacement during periods of involuntary unemployment. However, in performing this income maintenance function, unemployment insurance may prolong spells of unemployment. Evidence from a...