Louis G. Pol is Peter Kiewit Distinguished Professor of Marketing at the University of Nebraska, Omaha. He has conducted research and lectured in a number of countries in Europe and the former Soviet Union. This book is an extension of his first Quorum book, Business Demography (1987). He is also coauthor with Dr. Thomas of three other books on the intersection of demography research methods and health care.Richard K. Thomas is a partner in the Memphis firm Medical Services Research Group. A highly experienced health services researcher, marketer, and planner, with a PhD from Vanderbilt University, Dr. Thomas has published widely on topics in health and health care and is well known as a speaker at medical services conferences. He served on the faculty of the University of Memphis for more than twenty years and is now an adjunct professor for two other health professional training programs.