We review the reasons for expecting a negative income tax (NIT) to affect marital dissolution rates and present a stochastic model of marital dissolution. The analysis reveals that the experimental NIT programs increased the martial dissolution rates for blacks and whites but not Chicanos. The...

Ways in which heads of families in the Seattle and Denver Income Maintenance Experiments reduce their labor supply are analyzed in this paper. By estimating transition rates of leaving and entering employment, the authors calculate the effect of the experiment on such measures as the average...

Event-history analysis of the diffusion of practices in a social system can show how actors are influenced by each other as well as by their own characteristics. The presumption that complete data on the entire population are essential to draw valid inferences about diffusion processes has been...

This article assesses the bias and fit of a hazard rate model by comparing predicted and nonparametric estimates of survivor probabilities. These comparisons also generate several diagnostic displays for event history data. We illustrate these diagnostic methods for several global and local...

This paper extends a formal theory of structural aspects of organizational change initiated by Hannan, Polos, and Carroll (2002a, hereafter HPCa). This analysis focuses on the implications of limited foresight of the cascades of consequences of architectural changes. Foresight is generally...

This paper develops a formal theory of the structural aspects of organizational change. It concentrates on the significance of changes in an organization's architecture and culture, each represented as a code system. A change is significant when it prompts other changes and generates a cascade...