Research

Published papers

[1] "The Impact of the COVID-19 on Japanese Firms: Mobility and Resilience via Remote Work" (with Daiji Kawaguchi; Sagiri Kitao) [International Tax and Public Finance, 29(2022):  1419–1449] [RIETI DP][CREPE DP][CAMA WP] 

[2] "Decentralized Provision of Disaster Aid: Aid Fragmentation and the Poverty Implications"  [International Tax and Public Finance, 29 (2022): 1098–1127]

[3] "Determinants of the Distance between Sovereign Credit Ratings and Sub-sovereign Bond Ratings: Evidence from Emerging Markets and Developing Economies" (with Sanket Mohapatra, IIM Ahmedabad; Dilip Ratha, World Bank) [Applied Economics, 50(9)(2018): 934-956]

[4] "Estimation of Drivers of Public Education Expenditure: Baumol's Effect Revisited" [International Tax and Public Finance, 24(3)(2017): 512-535]

[5] "Long-term Impacts of Global Food Crisis on Production Decisions: Evidence from Farm Investments in Indonesia"(with Futoshi Yamauchi, IFPRI) [Journal of Development Studies, 52(11)(2016): 1665-1683 ] 

[6] "Micro Responses to Disaster Relief Aid: Design Problems for Aid Efficacy" [Economic Development and Cultural Change, 62(4) (2014): 727-767]

Working papers

[1] "From Battlefield to Marketplace: Connectivity, Industrialization, and Spatial Convergence in the Greater Mekong Subregion" (with Yasuyuki Sawada; Tung Nguyen)[Latest draft][slide]

[2] "Evaluating Fiscal Supports for the Public-Private Partnership: A Hidden Risk for Contract Survival"[old version as IMF Working Paper WP17/243]  [Revise and Resubmit]

[3] "Digitalization and Fiscal Policies: Enhancing Firm Resilience to Uncertainty Shocks" (with Jiro Honda) [IMF Working Paper WP/23/95 ]  [submitted, under review]

[4] "Inclusive GovTech: Enhancing Equity and Efficiency Through Public Service Digitalization" [IMF Working Paper WP/23/226]

[5] "Minimum Wage, Market Competition, and Firm Growth: Panel Event Study Analysis in Vietnam" [IIPF 2020 version]  [submitted, under review]

[6] "Labor Market Dynamics after Natural Disaster: Evidence from Post-tsunami Aceh Panel Data" [University of Tokyo, CREPE DP#56]  

[7] "Assessing the Impact of Infrastructure Investments Using Customs Data" (with Yesim Elhan-Kayalar, Konstantin Kucheryavyy, Yasuyuki Sawada, Ruo Shangguan] 

[8] "Quantifying the Revenue Yields from Tax Administration Reforms" (with Hassan Adan,  Jean-Marc B. Atsebi, Nikolay Gueorguiev, Jiro Honda) [IMF Working Paper WP23/231]

Work in progress

[1] "Evaluating Infrastructure Projects in the Greater Mekong Subregion: A Structural Approach" 

[2] "Network Externality in the Propagation of Electronic Commerce"

[3] "Remote Work and Remote Business: The New Alternatives"

[4] "Firm Digitalization and Tax Compliance"

Policy papers 

[1] "Transforming Public Finance Through GovTech" (with D. Amaglobeli, R. de Mooij, A. Mengistu, M. Moszoro, S. Nunhuck, S. Pattanayak, L. del Paso, F. Solomon, R. Sparkman, H. Tourpe, G. Una) [IMF Staff Discussion Note, 2023]

[2] "Exploring the Adoption of Selected Digital Technologies in Tax Administration: A Cross-Country Perspective"(with A. Mengistu)

[3] "SDGs with Climate Resilience: Spending Needs and Macro-Fiscal Implications" [selected issue paper prepared for the 2021 Solomon Islands Article IV Consultation] 

[4] "Creation of Value-added and Pricing Decision: Small-and-Medium Enterprises in Japan" (2020 White Paper by the Ministry of Economy, Industry, and Trade, Japan)

[5] "Fiscal Rules: Coping with Revenue Volatility" (with Jiro Honda, Natalia Koliadina, Murna Morgan, Jose Torres (all IMF), Fernando Im (World Bank), and Cesar Padilla (McMaster University)) [IMF Departmental Paper, 2017]

[6] "Domestic Spillovers of Commodity Price Shocks in South Africa" [selected issue paper  prepared for the 2016 South Africa Article IV Consultation] 

[7] "Triggers of Contract Breach: Contract Design, Shocks, or Institutions?" [World Bank Policy Research Working Paper #6738]

[8] "Fiscal Commitments to Encourage PPP Projects in Transport Infrastructure", in Transport Infrastructure and Systems (London: Taylor & Francis Group) (with Nozomi Nose and Cesar Queiroz)

Research grants/collaboration

 [1] "Impact Evaluation of Interregional Transport Connectivity: Remote Sensing Data and Structural Approach" (with the Asian Development Bank)

 [2] "Evaluation of Public and Private Provisions of Infrastructure for Urban Development: Application of Big Data" (funded by the JSPS Grant-in-Aid for Young Scientists (KAKEN))

 [3] "Determinants of Firm Productivity in Developing Countries: Comparative Analysis between Low-income and Emerging Market Countries" (funded by the Kikawada Foundation)

 [4] "Firm and Farm Size Puzzles in Developing Countries" (funded by the Institute of Economic Research, Hitotsubashi University)