The mover-stayer model of mobility stipulates that only a subset of an observed population at risk is actually engaged in the process being analyzed. Extension of this formulation to the continuous case has been limited by a paucity of suitable data. This paper reports an analysis of residential departure based on two longitudinal data files. The findings reveal a substantial degree of recurrence and chronicity in mobility behavior. Certain population segments show a pronounced tendency to change residence repeatedly and frequently, while others remain virtually immobile. Regression analysis reveals, moreover, that chronically mobile persons are best identified by indices of past mobility augmented by selected socioeconomic measures. These findings underscore the need to account for heterogeneity of risk in models of mobility. They strongly support the logic and authenticity of the mover-stayer model and the importance of making the distinction with as much precision and graduation as available data will permit. (Author).

Social Dynamics: Models and Methods focuses on sociological methodology and on the practice of sociological research. This book is organized into three parts encompassing 16 chapters that deal with the basic principles of social dynamics. The first part of this book considers the development of models and methods for causal analysis of the actual time paths of change in attributes of individual and social systems. This part also discusses the applications in which the use of dynamic models and methods seems to have enhanced the capacity to formulate and test sociological arguments. These models and methods are useful for answering questions about the detailed structure of social change processes. The second part explores the formulation of the continuous-time models of change in both quantitative and qualitative outcomes and the development of suitable methods for estimating these models from the kinds of data commonly available to sociologists. The third part describes a stochastic framework for analyzing both qualitative and quantitative outcome of social changes. This part also discusses the sociologists' perspective on the empirical study of social change processes. This text will be of great value to sociologists and sociological researchers.

This volume is devoted to the geographical—or spatial—aspects of population research in regional science, spanning spatial demographic methods for population composition and migration to studies of internal and international migration to investigations of the role of population in related fields such as climate change and economic growth. If spatial aspects of economic growth and development are the flagship of the regional science discipline, population research is the anchor. People migrate, consume, produce, and demand services. People are the source and beneficiaries of national, regional, and local growth and development. Since the origins of regional science, demographic research has been at the core of the discipline. Contributions in this volume are both retrospective and prospective, offering in their ensemble an authoritative overview of demographic research within the field of regional science.