The Effects of Child Tax Benefits on Poverty and Labor Supply: Evidence from the Canada Child Benefit and Universal Child Care
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- Bruce D. Meyer & Dan T. Rosenbaum, 2001.
"Welfare, the Earned Income Tax Credit, and the Labor Supply of Single Mothers,"
The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 116(3), pages 1063-1114.
- Bruce D. Meyer & Dan T. Rosenbaum, 1998. "Welfare, the Earned Income Tax Credit, and the Labor Supply of Single Mothers," JCPR Working Papers 32, Northwestern University/University of Chicago Joint Center for Poverty Research.
- Bruce D. Meyer & Dan T. Rosenbaum, 1999. "Welfare, the Earned Income Tax Credit, and the Labor Supply of Single Mothers," NBER Working Papers 7363, National Bureau of Economic Research, Inc.
- Henrik Kleven, 2020. "The EITC and the Extensive Margin: A Reappraisal," Working Papers 2020-64, Princeton University. Economics Department..
- Richard Blundell & Alan Duncan & Julian McCrae & Costas Meghir, 2000. "The labour market impact of the working families’ tax credit," Fiscal Studies, Institute for Fiscal Studies, vol. 21(1), pages 75-103, March.
- Blundell, Richard & Macurdy, Thomas, 1999.
"Labor supply: A review of alternative approaches,"
Handbook of Labor Economics, in: O. Ashenfelter & D. Card (ed.), Handbook of Labor Economics, edition 1, volume 3, chapter 27, pages 1559-1695,
Elsevier.
- Richard Blundell & Thomas MaCurdy, 1998. "Labour supply: a review of alternative approaches," IFS Working Papers W98/18, Institute for Fiscal Studies.
- Douglas Almond & Janet Currie & Valentina Duque, 2018.
"Childhood Circumstances and Adult Outcomes: Act II,"
Journal of Economic Literature, American Economic Association, vol. 56(4), pages 1360-1446, December.
- Douglas Almond & Janet Currie & Valentina Duque, 2017. "Childhood Circumstances and Adult Outcomes: Act II," NBER Working Papers 23017, National Bureau of Economic Research, Inc.
- Douglas Almond & Janet Currie & Valentina Duque, 2017. "Childhood Circumstances and Adult Outcomes: Act II," Working Papers 2017-082, Human Capital and Economic Opportunity Working Group.
- Paul Gregg & Susan Harkness, 2003. "Welfare Reform and the Employment of Lone Parents," Palgrave Macmillan Books, in: Richard Dickens & Paul Gregg & Jonathan Wadsworth (ed.), The Labour Market Under New Labour, chapter 7, pages 98-115, Palgrave Macmillan.
- Milligan, Kevin & Stabile, Mark, 2007. "The integration of child tax credits and welfare: Evidence from the Canadian National Child Benefit program," Journal of Public Economics, Elsevier, vol. 91(1-2), pages 305-326, February.
- Nada Eissa & Jeffrey B. Liebman, 1996.
"Labor Supply Response to the Earned Income Tax Credit,"
The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 111(2), pages 605-637.
- Nada Eissa & Jeffrey B. Liebman, 1995. "Labor Supply Response to the Earned Income Tax Credit," NBER Working Papers 5158, National Bureau of Economic Research, Inc.
- Kourtney Koebel & Tammy Schirle, 2016.
"The Differential Impact of Universal Child Benefits on the Labour Supply of Married and Single Mothers,"
Canadian Public Policy, University of Toronto Press, vol. 42(1), pages 49-64, March.
- Kourtney Koebel, Tammy Schirle, 2015. "The differential impact of universal child benefits on the labor supply of married and single mothers," LCERPA Working Papers 0094, Laurier Centre for Economic Research and Policy Analysis, revised 01 May 2015.
- V. Joseph Hotz, 2003.
"The Earned Income Tax Credit,"
NBER Chapters, in: Means-Tested Transfer Programs in the United States, pages 141-198,
National Bureau of Economic Research, Inc.
- V. Joseph Hotz & John Karl Scholz, 2001. "The Earned Income Tax Credit," NBER Working Papers 8078, National Bureau of Economic Research, Inc.
- Paul Gregg & Susan Harkness & Sarah Smith, 2009.
"Welfare Reform and Lone Parents in the UK,"
Economic Journal, Royal Economic Society, vol. 119(535), pages 38-65, February.
- Paul Gregg & Susan Harkness & Sarah Smith, 2009. "Welfare Reform and Lone Parents in the UK," Economic Journal, Royal Economic Society, vol. 119(535), pages 38-65, February.
- Paul Gregg & Susan Harkness & Sarah Smith, 2007. "Welfare Reform and Lone Parents in the UK," The Centre for Market and Public Organisation 07/182, The Centre for Market and Public Organisation, University of Bristol, UK.
- Jonathan Rhys Kesselman, 2019. "Policy Options for Retargeting the Canada Child Benefit," Canadian Public Policy, University of Toronto Press, vol. 45(3), pages 310-328, September.
- Derek Messacar, 2017. "Big Tax Data and Economic Analysis: Effects of Personal Income Tax Reassessments and Delayed Tax Filing," Canadian Public Policy, University of Toronto Press, vol. 43(3), pages 261-283, September.
- Paul Gregg & Susan Harkness, 2003. "Welfare Reform and Lone Parents Employment in the UK," The Centre for Market and Public Organisation 03/072, The Centre for Market and Public Organisation, University of Bristol, UK.
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Cited by:
- Filip Premik, 2021. "Estimating the effects of universal transfers: new ML approach and application to labor supply reaction to child benefits," GRAPE Working Papers 54, GRAPE Group for Research in Applied Economics.
- Wayne Simpson & Harvey Stevens & Lee Stevens & Herb Emery, 2022. "A Guaranteed Basic Income for Canadians: Off the Table or Within Reach?," SPP Research Papers, The School of Public Policy, University of Calgary, vol. 15(20), June.
- Mari, Gabriele, 2023. "Less for more? Cuts to child benefits, family adjustments, and long-run child outcomes in larger families," SocArXiv e3n82, Center for Open Science.
- Elizabeth Ananat & Benjamin Glasner & Christal Hamilton & Zachary Parolin, 2021. "Effects of the Expanded Child Tax Credit on Employment Outcomes: Evidence from Real-World Data," Poverty and Social Policy Brief 20414, Center on Poverty and Social Policy, Columbia University.
- JungHo Park & Sujin Kim, 2023. "Child Tax Credit, Spending Patterns, and Mental Health: Mediation Analyses of Data from the U.S. Census Bureau’s Household Pulse Survey during COVID-19," IJERPH, MDPI, vol. 20(5), pages 1-17, March.
- Natasha Pilkauskas & Katherine Michelmore & Nicole Kovski & H. Luke Shaefer, 2022. "The Effects of Income on the Economic Wellbeing of Families with Low Incomes: Evidence from the 2021 Expanded Child Tax Credit," NBER Working Papers 30533, National Bureau of Economic Research, Inc.
- Geranda Notten & Fatima Tuz Zohora & Charles Plante & Rachel Laforest, 2022. "Two decades of poverty reduction politics in Canada:Better for single parent families and single working age adults?," Working Papers 2203E Classification-I31,, University of Ottawa, Department of Economics.
- Watson, Barry & Kong, Nancy & Phipps, Shelley, 2022. "Dreaming of a Brighter Future? The Impact of Economic Vulnerability on University Aspirations," IZA Discussion Papers 15539, Institute of Labor Economics (IZA).
- Jessica Pac & Lawrence M. Berger, 2024. "Quasi‐experimental evidence on the employment effects of the 2021 fully refundable monthly child tax credit," Journal of Policy Analysis and Management, John Wiley & Sons, Ltd., vol. 43(1), pages 192-213, January.
- Jennifer Glass & Carolyn E. Waldrep, 2023. "Child Allowances and Work-Family Reconciliation Policies: What Best Reduces Child Poverty and Gender Inequality While Enabling Desired Fertility?," Population Research and Policy Review, Springer;Southern Demographic Association (SDA), vol. 42(5), pages 1-57, October.
- Jacob Goldin & Elaine Maag & Katherine Michelmore, 2021. "Estimating the Net Fiscal Cost of a Child Tax Credit Expansion," NBER Chapters, in: Tax Policy and the Economy, Volume 36, pages 159-195, National Bureau of Economic Research, Inc.
- Daniel Béland & Shannon Dinan & Philip Rocco & Alex Waddan, 2022. "COVID-19, poverty reduction, and partisanship in Canada and the United States [Early impact of the COVID-19 pandemic on household finances in Quebec]," Policy and Society, Darryl S. Jarvis and M. Ramesh, vol. 41(2), pages 291-305.
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More about this item
JEL classification:
- H27 - Public Economics - - Taxation, Subsidies, and Revenue - - - Other Sources of Revenue
- J13 - Labor and Demographic Economics - - Demographic Economics - - - Fertility; Family Planning; Child Care; Children; Youth
- J21 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Labor Force and Employment, Size, and Structure
- J30 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - General
NEP fields
This paper has been announced in the following NEP Reports:- NEP-LMA-2021-05-10 (Labor Markets - Supply, Demand, and Wages)
- NEP-PBE-2021-05-10 (Public Economics)
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