Details about Takashi Unayama

Access statistics for papers by Takashi Unayama.

Last updated 2026-07-14. Update your information in the RePEc Author Service.

Short-id: pun9

Working Papers

2023

1. Building for Babies: Impacts of childcare expansion on fertility rates and marriage (Japanese)
   Discussion Papers (Japanese), Research Institute of Economy, Trade and Industry (RIETI) View citations (1)

2021

2. Impact of Cash Transfers on Consumption during the COVID-19 Pandemic: Evidence from Japanese Special Cash Payments
   Discussion papers, Research Institute of Economy, Trade and Industry (RIETI) View citations (3)
3. Impacts of Cash Transfers on Consumption during the COVID-19 Pandemic: Evidence from Japanese Special Cash Payment (Japanese)
   Discussion Papers (Japanese), Research Institute of Economy, Trade and Industry (RIETI) View citations (2)
4. Land Trades During the Bubble Period and the Results of Capital Gains/Losses (Japanese)
   Discussion Papers (Japanese), Research Institute of Economy, Trade and Industry (RIETI)

2020

5. Winners, Losers, and Near-Rationality: Heterogeneity in the MPC out of a Large Stimulus Tax Rebate
   Discussion papers, Research Institute of Economy, Trade and Industry (RIETI)

2018

6. Household Savings Rate in National Accounts and Household Surveys in Japan (Japanese)
   Discussion Papers (Japanese), Research Institute of Economy, Trade and Industry (RIETI)
   Also in Discussion Papers (Japanese), Research Institute of Economy, Trade and Industry (RIETI) (2017) View citations (1)

2016

7. The Impact of a Permanent Income Shock on Consumption: Evidence from Japan's 2014 VAT increase
   Discussion papers, Research Institute of Economy, Trade and Industry (RIETI) View citations (4)

2015

8. Estimating the Impacts of Program Benefits: Using Instrumental Variables with Underreported and Imputed Data
   NBER Working Papers, National Bureau of Economic Research, Inc View citations (12)
   See also Journal Article Estimating the Impacts of Program Benefits: Using Instrumental Variables with Underreported and Imputed Data, The Review of Economics and Statistics, MIT Press (2019) View citations (11) (2019)
9. Housing Market and Housing Investment (Japanese)
   Discussion Papers (Japanese), Research Institute of Economy, Trade and Industry (RIETI)

2014

10. Child Benefit Payments and Household Wealth Accumulation
    Discussion papers, Policy Research Institute, Ministry of Finance Japan View citations (1)
    See also Journal Article Child Benefit Payments and Household Wealth Accumulation, The Japanese Economic Review, Japanese Economic Association (2015) View citations (8) (2015)
11. Female Labor Market, Intra-household Allocation, and Marriage (Japanese)
    Discussion Papers (Japanese), Research Institute of Economy, Trade and Industry (RIETI)

2013

12. Compatibility of Jobs and Marriage and Nursery Schools: Evidence from the 2010 Population Census (Japanese)
    Discussion Papers (Japanese), Research Institute of Economy, Trade and Industry (RIETI)

2012

13. Short-run Distributional Effects of VAT Rate Change: Evidence from a consumption tax rate increase in Japan
    Discussion papers, Research Institute of Economy, Trade and Industry (RIETI) View citations (5)
14. Temporary Housing and Disaster Victim Assistance: Evidence from the Great Hanshin-Awaji Earthquake (Japanese)
    Discussion Papers (Japanese), Research Institute of Economy, Trade and Industry (RIETI)

2011

15. Consumption Behavior of Elderly Households and Price Index (Japanese)
    Discussion Papers (Japanese), Research Institute of Economy, Trade and Industry (RIETI)
16. Consumption Responses to the Child Allowance (Japanese)
    Discussion Papers (Japanese), Research Institute of Economy, Trade and Industry (RIETI)
17. The Intertemporal Substitution and Income Effects of a VAT Rate Increase: Evidence from Japan
    Discussion papers, Research Institute of Economy, Trade and Industry (RIETI) View citations (5)

2010

18. Demand Driven Innovation and Uncertainty: Evidence from diffusion of flat panel TV (Japanese)
    Discussion Papers (Japanese), Research Institute of Economy, Trade and Industry (RIETI)
19. Discrepancy between Saving Rates in SNA and Family Income and Expenditure Survey and Its Implications (Japanese)
    Discussion Papers (Japanese), Research Institute of Economy, Trade and Industry (RIETI) View citations (4)
20. Marriage Rate and Female Labor Participation Rate: Evidence from Japanese prefectural cross-section (Japanese)
    Discussion Papers (Japanese), Research Institute of Economy, Trade and Industry (RIETI)
21. Product Innovation and Economic Growth: Experiences of Japan (Japanese)
    Policy Discussion Papers (Japanese), Research Institute of Economy, Trade and Industry (RIETI)
22. The Consumption Response to Seasonal Income: Evidence from Japanese Public Pension Benefits
    NBER Working Papers, National Bureau of Economic Research, Inc View citations (8)
    See also Journal Article The Consumption Response to Seasonal Income: Evidence from Japanese Public Pension Benefits, American Economic Journal: Applied Economics, American Economic Association (2011) View citations (61) (2011)

2008

23. The Impact of Deregulation in the Retail Sector: Implications for the aging society (Japanese)
    Discussion Papers (Japanese), Research Institute of Economy, Trade and Industry (RIETI)

2004

24. The Demand System and the Substitution Bias in the CPI: Evidence from the Japanese Household Survey Data
    KIER Working Papers, Kyoto University, Institute of Economic Research
25. Unemployment Risk and Consumption: Can the Buffer Stock Saving Behavior Explain the Japanese Experience?
    KIER Working Papers, Kyoto University, Institute of Economic Research

2003

26. Unobservable Heterogeneity and the Shape of the Engel Curve: Evidence from the Japanese Household Survey Data
    KIER Working Papers, Kyoto University, Institute of Economic Research
27. Upward Bias in the Consumer Price Index Under the Zero Information Economy
    KIER Working Papers, Kyoto University, Institute of Economic Research

Journal Articles

2026

1. Evaluating Tax Return Data as a Source of Income Statistics
   Public Policy Review, 2026, 22, (1), 1-37

2025

2. Business cycle indicators have traditionally been expected to capture the common cyclical factors across the economy. More recently, however, a new perspective has emerged ―one that defines business cycles as fluctuations in the aggregate level of economic activity.Under this new view, consumption data from household surveys play a more important role, as they provide comprehensive coverage of consumption ― the largest component of GDP and allow for flexible decomposition useful for business cycle assessment. Until now, the only demand-side source of consumption data has been the Family Income and Expenditure Survey (FIES), which has not been fully utilized as a business cycle indicator due to concerns over its accuracy. To address these challenges, the Ministry of Internal Affairs and Communications began publishing the Consumption Trend Index (CTI-micro) in 2018. This index is constructed by integrating the FIES with the Survey of Household Economy and the Expenditure Monitor Survey for One-person Households. While the CTI-micro is useful for tracking average household consumption, its ability to reflect macro-consumption trends is limited—especially amid rising ratios of single-person households and an increasing number of households overall. To address this limitation, this paper constructs a Population-Adjusted CTI-micro, which incorporates household count data from the Labor Force Survey, and examines its potential use as a real-time business cycle indicator. The Population-Adjusted CTI-micro effectively tracks the macro-consumption in the GDP statistics over the medium term. It allows for flexible decomposition and offers advantages over the CTI-macro, which estimates total consumption only as a single aggregate series. Although the index exhibits relatively large short-term fluctuations, it remains a valuable and sensitive tool for detecting changes in economic conditions
   Public Policy Review, 2025, 21, (4), 1-29
3. Fiscal Projections and Debt Sustainability in Japan
   Asian Economic Policy Review, 2025, 20, (2), 222-232 View citations (1)

2021

4. The Spending and Consumption Response to A VAT Rate Increase
   National Tax Journal, 2021, 74, (2), 313 - 346 View citations (6)

2019

5. Estimating the Impacts of Program Benefits: Using Instrumental Variables with Underreported and Imputed Data
   The Review of Economics and Statistics, 2019, 101, (3), 468-475 View citations (11)
   See also Working Paper Estimating the Impacts of Program Benefits: Using Instrumental Variables with Underreported and Imputed Data, NBER Working Papers (2015) View citations (12) (2015)
6. RICH Project: A New Household Survey
   Economic Review, 2019, 70, (4), 331-356

2018

7. The Discrepancy Between the Household Saving Rates in Micro and Macro Statistics: An Adjustment Method
   Public Policy Review, 2018, 14, (4), 765-776 View citations (6)

2017

8. Can Population Aging Explain the Decline of Savings Rate in Japan?
   Economic Review, 2017, 68, (3), 222-236

2016

9. Measuring Intertemporal Substitution in Consumption: Evidence from a VAT Increase in Japan
   The Review of Economics and Statistics, 2016, 98, (2), 285-297 View citations (62)
10. The wealthy hand to mouth in Japan
    Economics Letters, 2016, 141, (C), 52-54 View citations (21)

2015

11. A Comparison of Consumption-Related Statistics
    Public Policy Review, 2015, 11, (4), 573-598 View citations (3)
12. Child Benefit Payments and Household Wealth Accumulation
    The Japanese Economic Review, 2015, 66, (4), 447-465 View citations (8)
    See also Working Paper Child Benefit Payments and Household Wealth Accumulation, Discussion papers (2014) View citations (1) (2014)

2012

13. The Possibility of Pursuing Both Marriage/Childbirth and Employment, and the Development of Nursery Schools
    The Japanese Political Economy, 2012, 39, (1), 48-71 View citations (7)
14. The impact of retirement on household consumption in Japan
    Journal of the Japanese and International Economies, 2012, 26, (1), 62-83 View citations (18)

2011

15. The Consumption Response to Seasonal Income: Evidence from Japanese Public Pension Benefits
    American Economic Journal: Applied Economics, 2011, 3, (4), 86-118 View citations (61)
    See also Working Paper The Consumption Response to Seasonal Income: Evidence from Japanese Public Pension Benefits, NBER Working Papers (2010) View citations (8) (2010)

2008

16. Measuring the substitution bias in Japan: the demand system approach and a superlative index
    Applied Economics, 2008, 40, (14), 1795-1806 View citations (4)

2006

17. The Engel curve for alcohol and the rank of demand systems
    Journal of Applied Econometrics, 2006, 21, (7), 1019-1038 View citations (2)
    Also in Journal of Applied Econometrics, 2006, 21, (7), 1019-1038 (2006)

2004

18. Upward bias in the consumer price index under the zero-inflation economy
    Economics Letters, 2004, 85, (1), 139-144 View citations (4)

2002

19. On Cross‐sectional Comparison of Consumer Prices―A Note on the Formulation of the Regional Difference Indexes of Consumer Prices―
    Economic Review, 2002, 53, (4), 337-347

Books

2018

1. Introduction to Japanese Household Surveys
   SpringerBriefs in Economics, Springer View citations (3)