Population Change and the Economy: Social Science Theories and Models Population Change and the Economy: Social Science Theories and Models edited by Andrew M. Isserman Kluwer-Nijhoff Publishing a member of the Kluwer Academic Publishers Group Boston/DordrechtiLancaster Distributors for the United States and Canada: Kluwer Academic Publishers, 190 Old Derby Street, Hingham, MA, 02043, USA for the UK and Ireland: Kluwer Academic Publishers, MTP Press Limited, Falcon House, Queen Square, Lancaster LAI IRN, UK for a/l other countries: Kluwer Academic Publishers Group, Distribution Centre, P.O. Box 322, 3300 AH Dordrecht, The Netherlands Library of Congress Cataloging in Publication Data Main entry under tttle: Population change and the economy: social science theories and models Bibliography: p. Contents: Forecasting birth and migration rates I Andrew Isserman-Forecasting regional births I Dennis Ahlburg-forecasting interregional migration I Jacques Ledent-[etc.] 1. Population-Economic aspects-Mathematical models Addresses, essays, lectures. 2. Population forecasting Mathematical models-Addresses, essays, lectures. \. Isserman, Andrew M. HB849.41.P67 1985 304.6'2 84-20188 ISBN-I 3: 978-94-010-8704-9 e-ISBN-I 3: 978-94-009-4980-5 001: 10. I 007/978-94-009-4980-5 Copyright C 1986 by Kluwer-Nijhofl Publishing Softcover reprint of the hardcover 1st edition 1986 No part of this book may be produced in any form by print, photoprint, microfilm, or any other means without written permission of the publisher. Contents Preface ix I ntrod uction xiii Economic Determinants of Fertility and Migration Rates 1 1 Forecasting Birth and Migration Rates: The Theoretical Foundation 3 Andrew Isserman 2 Forecasting Regional Births: An Economic-Demographic Approach 31 Dennis Ahlburg 3 Forecasting Interregional Migration: An Economic Demographic Approach 53 Jacques Ledent II Regional Economic-Demographic Modeling 79 4 Economic-Demographic Interactions in the Growth of Texas 81 Thomas Plaut 5 An Econometric-Demographic Model of New York State 105 Carol Greenberg and Charles Renfro v vi CONTENTS 6 The Effects of Refining Demographic-Economic Interactions in Regional Econometric Models 127 Carol Taylor III Interregional Economic-Demographic Modeling 157 7 Economic-Demographic Linkages in an Interregional Model 159 Walter Isard and Christine Smith 8 Multistate Demoeconomic Modeling and Projection 177 Andrei Rogers and Pamela Williams 9 The ECESIS Economic-Demographic Model of the United States 203 Paul Beaumont, Andrew Isserman, David McMillen, David Plane, and Peter Rogerson IV The Challenges Ahead 239 10 Regional Economic-Demographic Modeling: Progress and Prospects 241 Jeffrey Williamson 11 Intuition, SCience, and the Application of Regional Models 261 William Alonso Contributing Authors Dennis Ahlburg, Assistant Professor of Industrial Relations, University of Minnesota, USA William Alonso, Saltonstall Professor of Population Policy and Chairman, Department of Sociology, Harvard University, USA Paul Beaumont, Assistant Professor of Economics, Purdue University, and Research Assistant Professor, Regional Research Institute, West Virginia University, USA Carol Greenberg, Regional Economist, Chase Econometrics, USA Walter Isard, Professor of Economics, Regional Science, and Urban and Regional Studies, Cornell University, and Adjunct Professor of Regional Science, University of Pennsylvania, USA Andrew Isserman, Director of the Regional Research Institute and Professor of Economics and Geography, West Virginia University, USA Jacques Ledent, Professor, Institut National de la Recherche Scientifique Urbanisation, Universite de Quebec, Canada David McMillen, Mathematical Statistician, U.S. Bureau of the Census, USA David Plane, Assistant Professor of Geography and Regional Development, University of Arizona, USA Thomas Plaut, Economist, Bureau of Business Research, University of Texas at Austin, USA Charles Renfro, Chief Economist, C.A. Renfro Associates, USA Andrei Rogers, Director of the Population Program, Institute of Behavioral Science, and Professor of Geography, University of Colorado at Boulder, USA vii viii CONTRIBUTING AUTHORS Peter Rogerson, Assistant Professor of Civil Engineering and Geography, Northwestern University, USA Christine Smith, Lecturer in Economics, University of Wollongong, Australia Carol Taylor, Program Director for Forecasting, Bureau of Economic and Business Research, and Associate Professor of Economics, University of Florida, USA Pamela Williams, Policy Analyst, Department of the Premier and Cabinet, Melbourne, Australia Jeffrey Williamson, Laird Bell Professor of Economics, Harvard University, USA Preface Population change and population forecasts are receiving considerable attention from governmental planners and policy-makers, as well as from the private sector. Old patterns of population redistribution, industrial location, labor-force participation, household formation, and fertility are changing. The resulting uncertainty has increased interest in forecasting because mere extrapolations of past trends are proving inadequate. In the United States of America popUlation forecasts received even more attention after federal agencies began distributing funds for capital infrastructure to state and local governments on the basis of projected future populations. If the national government had based those funding decisions on locally prepared projections, the optimism of local officials would have resulted in billions of dollars worth of excess capacity in sewage treatment plants alone. Cabinet-level inquiries concluded that the U.S. Department of Commerce should (1) assume the responsibility for developing a single set of projections for use whenever future population was a consideration in federal spending decisions and (2) develop methods which incorporate both economic and demographic factors causing population change. Neither the projections prepared by economists at the Bureau of Economic Analysis nor those prepared by demographers at the Bureau of the Census were considered satisfactory because neither method adequately recognized the intertwined nature of demographic and economic change. Against this background, the American Statistical Association (ASA) and the U.S. Bureau ofthe Census, with support from the National Science Foundation (NSF), jointly convened the International Conference on Forecasting Regional Population Change and Its Economic Determinants and Consequences. Participants included leading scholars from Europe, Japan, Australia, and North America, from universities, governmental ix x PREFACE agencies, international organizations, corporations, and consulting flrms. They included demographers, economists, geographers, regional scientists, sociologists, and statisticians. This conference, held in Airlie, Virginia, May 26-29, 1982, was part of a larger ASNCensus program also supported by NSF that included a three-year effort (1979-82) to build ECESIS, an operational interregional economic-demographic model described else- where in this book, and an initial fact-flnding conference in 1977. That conference had concluded: Population projections and migration modeling are, in fact, among the important contemporary concerns in establishing and maintaining an adequate data base for informed planning and programs administration. The rapid development of the fleld of economic-demographic population modeling is evident when comparing the papers from the flrst conference (available from ASA) to those of the second conference only flve years later. The papers at the second conference generally were of four kinds: (1) studies of internal migration that help us understand better the nature of the phenomenon being forecast; (2) evaluations of the data available for population modeling; (3) descriptions of economic-demographic models which reflect the emerging state of the art; and (4) essays regarding the state of the art and prospects for its improvements. The chapters of this book generally are revised and extended versions of papers from the third and fourth groups. Other papers from the conference and ECESIS project are found either in the Review of Public Data Use, Vol. 10, No.4, and Vol. 11, No.1, published by Elsevier-North Holland or in a special issue of Socio Economic Planning Sciences, Vol. 17, No. 5-6, published by Pergamon Press under the title "Forecasting Population Change and its Economic Determinants and Consequences." The issues of the Review ofP ublic Data Use include papers on migration data by Richard Bilsborrow and John Akin, Douglas Norris, and Andrew Isserman, David Plane, and David McMillen and comments by Richard Morrill and Robert Nakosteen. Socio-Economic Planning Sciences contains papers on migration by Anne van der Veen and Gerard Evers, David Plane and Andrew Isserman, Matthew Black, John Long, Anthony Warnes, and Curtis Roseman, and on forecasting models by Peter Batey and Moss Madden, Takao Fukuchi, Masahiro Chuma, and Makoto Yamaguchi, Richard Joun and Richard Conway, Anthony Redwood, Steven Caldwell, and Peter Rogerson. In addition, parts of Chapter 1 of this book appear in Environment and Planning A, Vol. 17, No.1, published by Pion. PREFACE xi Helpful comments by the discussants and moderators at the conference are gratefuliy acknowledged. They include (in order of appearance): Ray Grimes, Donald Pittenger, William Milne, James Kau, Swarnjit Arora, Uwe Schubert, Roger Bolton, Norfleet Rives, Shelby Gerking, Peter Morrison, Richard Morrill, Robert Nakosteen, Richard Engels, Signe Wetrogen, David Gleave, Frank Poreli, AI Telia, Anthony Yezer, Ann Miller, Calvin Beale, Larry Long, Michael Greenwood, Thomas Espenshade, Mark Rosenzweig, Jacob Siegel, William Beyers, Roger Herriot, Ken Johnson, John Long, and Shirly Goetz. Fred Leone, Ede Denenberg, George Tiao, and Arnold Zellner of ASA, Murray Aborn of NSF, and Barbara Bailar, Richard Engels, Roger Herriot, AI Telia, and Kirk Wolter of the U.S. Bureau of the Census gave their strong support to this conference and the ECESIS project. Without their vision and dedication this rather remarkable conference and ASA/ Census program would not have taken place.