The effects of demographic dynamics on economic growth in EU economies: A panel vector autoregressive approach
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- Romer, Paul M, 1986.
"Increasing Returns and Long-run Growth,"
Journal of Political Economy, University of Chicago Press, vol. 94(5), pages 1002-1037, October.
- Paul M Romer, 1999. "Increasing Returns and Long-Run Growth," Levine's Working Paper Archive 2232, David K. Levine.
- Kelley, Allen C & Schmidt, Robert M, 1996. "Saving, Dependency and Development," Journal of Population Economics, Springer;European Society for Population Economics, vol. 9(4), pages 365-386, November.
- Matteo Cervellati & Uwe Sunde, 2011.
"Life expectancy and economic growth: the role of the demographic transition,"
Journal of Economic Growth, Springer, vol. 16(2), pages 99-133, June.
- Cervellati, Matteo & Sunde, Uwe, 2009. "Life Expectancy and Economic Growth: The Role of the Demographic Transition," IZA Discussion Papers 4160, Institute of Labor Economics (IZA).
- Cervellati, Matteo & Sunde, Uwe, 2011. "Life expectancy and economic growth: The role of the demographic transition," Munich Reprints in Economics 20078, University of Munich, Department of Economics.
- Sunde, Uwe & Cervellati, Matteo, 2009. "Life Expectancy and Economic Growth: The Role of the Demographic Transition," CEPR Discussion Papers 7361, C.E.P.R. Discussion Papers.
- Jody Overland & Christopher D. Carroll & David N. Weil, 2000.
"Saving and Growth with Habit Formation,"
American Economic Review, American Economic Association, vol. 90(3), pages 341-355, June.
- Christopher D. Carroll & Jody Overland & David N. Weil, 1995. "Saving and growth with habit formation," Finance and Economics Discussion Series 95-42, Board of Governors of the Federal Reserve System (U.S.).
- Christopher D. Carroll & Jody Overland & David N. Weil, 1995. "Saving and growth with habit formation," Working Papers 95-42, Brown University, Department of Economics.
- Christopher D. Carroll & Jody Overland & David N. Weil, 2000. "Mathematica code for 'Saving and Growth with Habit Formation' and 'Comparison Utility in a Growth Model'," QM&RBC Codes 43, Quantitative Macroeconomics & Real Business Cycles.
- Horioka, Charles Yuji & Terada-Hagiwara, Akiko, 2012.
"The determinants and long-term projections of saving rates in Developing Asia,"
Japan and the World Economy, Elsevier, vol. 24(2), pages 128-137.
- Horioka, Charles Yuji & Terada-Hagiwara, Akiko, 2010. "Determinants and Long-term Projections of Saving Rates in Developing Asia," ADB Economics Working Paper Series 228, Asian Development Bank.
- Charles Yuji Horioka & Akiko Terada-Hagiwara, 2011. "The Determinants and Long-term Projections of Saving Rates in Developing Asia," ISER Discussion Paper 0821, Institute of Social and Economic Research, Osaka University.
- Charles Yuji Horioka & Akiko Terada-Hagiwara, 2011. "The Determinants and Long-term Projections of Saving Rates in Developing Asia," NBER Working Papers 17581, National Bureau of Economic Research, Inc.
- Carroll, Christopher D. & Weil, David N., 1994.
"Saving and growth: a reinterpretation,"
Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 40(1), pages 133-192, June.
- Christopher D. Carroll & David N. Weil, 1993. "Saving and Growth: A Reinterpretation," NBER Working Papers 4470, National Bureau of Economic Research, Inc.
- Christopher D. Carroll & David N. Weil, 1993. "Saving and growth: a reinterpretation," Working Paper Series / Economic Activity Section 140, Board of Governors of the Federal Reserve System (U.S.).
- Christopher D. Carroll & David N. Weil, 1993. "Saving and growth: a reinterpretation," Working Papers 1993-36, Brown University, Department of Economics.
- Akira Yakita, 2017.
"Life Expectancy, Money, and Growth,"
Population Economics, in: Population Aging, Fertility and Social Security, chapter 0, pages 13-26,
Springer.
- Akira Yakita, 2006. "Life expectancy, money, and growth," Journal of Population Economics, Springer;European Society for Population Economics, vol. 19(3), pages 579-592, July.
- Ehrlich, Isaac & Lui, Francis, 1997. "The problem of population and growth: A review of the literature from Malthus to contemporary models of endogenous population and endogenous growth," Journal of Economic Dynamics and Control, Elsevier, vol. 21(1), pages 205-242, January.
- Michael R. M. Abrigo & Inessa Love, 2016. "Estimation of panel vector autoregression in Stata," Stata Journal, StataCorp LP, vol. 16(3), pages 778-804, September.
- Im, Kyung So & Pesaran, M. Hashem & Shin, Yongcheol, 2003.
"Testing for unit roots in heterogeneous panels,"
Journal of Econometrics, Elsevier, vol. 115(1), pages 53-74, July.
- Pasaran, M.H. & Im, K.S. & Shin, Y., 1995. "Testing for Unit Roots in Heterogeneous Panels," Cambridge Working Papers in Economics 9526, Faculty of Economics, University of Cambridge.
- Tom Doan, "undated". "IPSHIN: RATS procedure to implement Im, Pesaran and Shin panel unit root test," Statistical Software Components RTS00098, Boston College Department of Economics.
- Luciano Lopez & Sylvain Weber, 2017.
"Testing for Granger causality in panel data,"
Stata Journal, StataCorp LP, vol. 17(4), pages 972-984, December.
- Luciano Lopez & Sylvain Weber, 2017. "Testing for Granger causality in panel data," IRENE Working Papers 17-03, IRENE Institute of Economic Research.
- Kalemli-Ozcan, Sebnem & Ryder, Harl E. & Weil, David N., 2000.
"Mortality decline, human capital investment, and economic growth,"
Journal of Development Economics, Elsevier, vol. 62(1), pages 1-23, June.
- Sebnem Kalemli-Ozcan, Harl E. Ryder and David N. Weil, 1998. "Mortality Decline, Human Capital Investment, and Economic Growth," Working Papers 98-18, Brown University, Department of Economics.
- Allen Kelley & Robert Schmidt, 2005. "Evolution of recent economic-demographic modeling: A synthesis," Journal of Population Economics, Springer;European Society for Population Economics, vol. 18(2), pages 275-300, June.
- Choi, In, 2001. "Unit root tests for panel data," Journal of International Money and Finance, Elsevier, vol. 20(2), pages 249-272, April.
- Robert J. Barro, 1991.
"Economic Growth in a Cross Section of Countries,"
The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 106(2), pages 407-443.
- Barro, R.J., 1989. "Economic Growth In A Cross Section Of Countries," RCER Working Papers 201, University of Rochester - Center for Economic Research (RCER).
- Robert J. Barro, 1989. "Economic Growth in a Cross Section of Countries," NBER Working Papers 3120, National Bureau of Economic Research, Inc.
- Robert M. Schmidt & Allen C. Kelley, 1996. "Saving, dependency and development," Journal of Population Economics, Springer;European Society for Population Economics, vol. 9(4), pages 365-386.
- Casper Worm Hansen & Lars Lønstrup, 2015.
"The Rise in Life Expectancy and Economic Growth in the 20th Century,"
Economic Journal, Royal Economic Society, vol. 0(584), pages 838-852, May.
- Hansen, Casper Worm & Lønstrup, Lars, 2013. "The Rise of Life Expectancy and Economic Growth in the 20th Century," Discussion Papers on Economics 16/2013, University of Southern Denmark, Department of Economics.
- Hickson, Kerry Jane, 2009. "The contribution of increased life expectancy to economic development in twentieth century Japan," Journal of Asian Economics, Elsevier, vol. 20(4), pages 489-504, September.
- David E. BLOOM & Jocelyn E. FINLAY, 2009.
"Demographic Change and Economic Growth in Asia,"
Asian Economic Policy Review, Japan Center for Economic Research, vol. 4(1), pages 45-64, June.
- Barry R. Bloom & David Canning & Pia Malaney, 1999. "Demographic Change and Economic Growth in Asia," CID Working Papers 15A, Center for International Development at Harvard University.
- David E. Bloom & David Canning & Jocelyn E. Finlay, 2008. "Demographic Change and Economic Growth in Asia," PGDA Working Papers 4108, Program on the Global Demography of Aging.
- David E. Bloom & David Canning & Pia N. Malaney, 1999. "Demographic Change and Economic Growth in Asia," CID Working Papers 15, Center for International Development at Harvard University.
- Cooley, Thomas F. & Henriksen, Espen & Nusbaum, Charlie, 2024.
"Demographic obstacles to European growth,"
European Economic Review, Elsevier, vol. 169(C).
- Thomas F. Cooley & Espen Henriksen & Charlie Nusbaum, 2019. "Demographic Obstacles to European Growth," NBER Working Papers 26503, National Bureau of Economic Research, Inc.
- Thomas Cooley & Edwin Nusbaum & Espen Henriksen, 2019. "Demographic Obstacles to European Growth," 2019 Meeting Papers 1352, Society for Economic Dynamics.
- Lopreite, Milena & Zhu, Zhen, 2020. "The effects of ageing population on health expenditure and economic growth in China: A Bayesian-VAR approach," Social Science & Medicine, Elsevier, vol. 265(C).
- Nicole Van Der Gaag & Joop Beer, 2015. "From Demographic Dividend to Demographic Burden: The Impact of Population Ageing on Economic Growth in Europe," Tijdschrift voor Economische en Sociale Geografie, Royal Dutch Geographical Society KNAG, vol. 106(1), pages 94-109, February.
- Leff, Nathaniel H, 1969. "Dependency Rates and Savings Rates," American Economic Review, American Economic Association, vol. 59(5), pages 886-896, December.
- Michael R.M. Abrigo & Inessa Love, 2016. "Estimation of Panel Vector Autoregression in Stata: a Package of Programs," Working Papers 201602, University of Hawaii at Manoa, Department of Economics.
- Michael Kremer, 1993. "Population Growth and Technological Change: One Million B.C. to 1990," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 108(3), pages 681-716.
- Li, Hongbin & Zhang, Jie & Zhang, Junsen, 2007.
"Effects of longevity and dependency rates on saving and growth: Evidence from a panel of cross countries,"
Journal of Development Economics, Elsevier, vol. 84(1), pages 138-154, September.
- Hongbin Li & Junsen Zhang & Jie Zhang, "undated". "Effects of longevity and dependency rates on saving and growth: Evidence from a panel of cross countries," MRG Discussion Paper Series 1106, School of Economics, University of Queensland, Australia.
- G. S. Maddala & Shaowen Wu, 1999. "A Comparative Study of Unit Root Tests with Panel Data and a New Simple Test," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 61(S1), pages 631-652, November.
- Diane Macunovich, 2012. "The role of demographics in precipitating economic downturns," Journal of Population Economics, Springer;European Society for Population Economics, vol. 25(3), pages 783-807, July.
- Levin, Andrew & Lin, Chien-Fu & James Chu, Chia-Shang, 2002.
"Unit root tests in panel data: asymptotic and finite-sample properties,"
Journal of Econometrics, Elsevier, vol. 108(1), pages 1-24, May.
- Tom Doan, "undated". "LEVINLIN: RATS procedure to perform Levin-Lin-Chu test for unit roots in panel data," Statistical Software Components RTS00242, Boston College Department of Economics.
- Nazrul Islam, 1995. "Growth Empirics: A Panel Data Approach," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 110(4), pages 1127-1170.
- Derek D. Headey & Andrew Hodge, 2009. "The Effect of Population Growth on Economic Growth: A Meta‐Regression Analysis of the Macroeconomic Literature," Population and Development Review, The Population Council, Inc., vol. 35(2), pages 221-248, June.
- Robert M. Solow, 1956. "A Contribution to the Theory of Economic Growth," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 70(1), pages 65-94.
- Bloom, David E & Williamson, Jeffrey G, 1998.
"Demographic Transitions and Economic Miracles in Emerging Asia,"
The World Bank Economic Review, World Bank, vol. 12(3), pages 419-455, September.
- David E. Bloom & Jeffrey G. Williamson, 1997. "Demographic Transitions and Economic Miracles in Emerging Asia," NBER Working Papers 6268, National Bureau of Economic Research, Inc.
- David E. Bloom & David Canning & Bryan Graham, 2003.
"Longevity and Life‐cycle Savings,"
Scandinavian Journal of Economics, Wiley Blackwell, vol. 105(3), pages 319-338, September.
- David E. Bloom & David Canning & Bryan Graham, 2002. "Longevity and Life Cycle Savings," NBER Working Papers 8808, National Bureau of Economic Research, Inc.
- T. W. Swan, 1956. "ECONOMIC GROWTH and CAPITAL ACCUMULATION," The Economic Record, The Economic Society of Australia, vol. 32(2), pages 334-361, November.
- repec:bla:obuest:v:61:y:1999:i:0:p:631-52 is not listed on IDEAS
- Hiroyuki Taguchi & Ni Lar & Sereyvuth Ky, 2021. "Revisiting the effects of demographic dynamics on economic growth in Asia: a panel vector‐autoregressive approach with a saving channel," Asian-Pacific Economic Literature, The Crawford School, The Australian National University, vol. 35(2), pages 77-94, November.
- Barro, Robert J, 1990.
"Government Spending in a Simple Model of Endogenous Growth,"
Journal of Political Economy, University of Chicago Press, vol. 98(5), pages 103-126, October.
- Barro, R.J., 1988. "Government Spending In A Simple Model Of Endogenous Growth," RCER Working Papers 130, University of Rochester - Center for Economic Research (RCER).
- Barro, Robert J., 1990. "Government Spending in a Simple Model of Endogeneous Growth," Scholarly Articles 3451296, Harvard University Department of Economics.
- Robert J. Barro, 1988. "Government Spending in a Simple Model of Endogenous Growth," NBER Working Papers 2588, National Bureau of Economic Research, Inc.
- Romer, Paul M, 1990.
"Endogenous Technological Change,"
Journal of Political Economy, University of Chicago Press, vol. 98(5), pages 71-102, October.
- Paul Romer, 1989. "Endogenous Technological Change," NBER Working Papers 3210, National Bureau of Economic Research, Inc.
- Paul M Romer, 1999. "Endogenous Technological Change," Levine's Working Paper Archive 2135, David K. Levine.
- Zhang, Junsen & Zhang, Jie & Lee, Ronald, 2001. "Mortality decline and long-run economic growth," Journal of Public Economics, Elsevier, vol. 80(3), pages 485-507, June.
- Lopreite, Milena & Mauro, Marianna, 2017. "The effects of population ageing on health care expenditure: A Bayesian VAR analysis using data from Italy," Health Policy, Elsevier, vol. 121(6), pages 663-674.
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More about this item
Keywords
demographic dynamics; economic growth; European Union; working-age population; life expectancy; panel vector autoregressive model;All these keywords.
JEL classification:
- J11 - Labor and Demographic Economics - - Demographic Economics - - - Demographic Trends, Macroeconomic Effects, and Forecasts
- O52 - Economic Development, Innovation, Technological Change, and Growth - - Economywide Country Studies - - - Europe
NEP fields
This paper has been announced in the following NEP Reports:- NEP-AGE-2022-08-29 (Economics of Ageing)
- NEP-EEC-2022-08-29 (European Economics)
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