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publications
Applying the Explicit Aggregation Algorithm to Heterogeneous Agent Models in Continuous Time
Published in Economics Letters, 206, 109940, 2021
The XPA algorithm solves a continuous-time heterogeneous-agent model with aggregate uncertainty without simulations inside the solution algorithm.
Recommended citation: Emoto, Masakazu, and Takeki Sunakawa. (2021). "Applying the Explicit Aggregation Algorithm to Heterogeneous Agent Models in Continuous Time." Economics Letters, 206, 109940.
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Dynamic Selection with the Informal Sector
Published in , 1900
A firm-dynamics model showing how informality changes dynamic selection, long-run growth, the firm-size distribution, and welfare.
Intertemporal Elasticity of Substitution and the Transitional Dynamics and Steady State of Wealth Distribution
Published in , 1900
A heterogeneous-agent Ramsey model linking the intertemporal elasticity of substitution to transitional wealth-distribution dynamics.
Optimal Lockdown Policy with Virus Mutation
Published in , 1900
An epimacro analysis of how deterministic and stochastic virus mutation change optimal lockdown intensity.
Profit Shifting and Firm Dynamics: Explaining the Selection into Tax Havens
Published in , 1900
A continuous-time heterogeneous-firm model separating tax-haven adoption, the intensive shifting margin, and international tax-rate competition.
Wealth Tax Evasion, Tax Morale, and the Inequality–Growth Nexus
Published in , 1900
A stochastic growth model in which tax morale determines whether wealth-tax evasion lowers growth and generates a double-Pareto wealth distribution.
Debt Sustainability in a Stochastic r − g Economy
Published in , 1900
Collaborative project.
Optimal Lockdown Policy with Finite-Horizon Planning
Published in , 1900
Collaborative project.
Productivity Diffusion, Firm Dynamics, and Trade Openness
Published in , 1900
Collaborative project.
Public Investment and Firm Dynamics in the Informal Economy
Published in , 1900
Single-author project.
talks
A Theoretical Study of the Effects of Tax Evasion on Economic Growth and Wealth Distribution
Published:
Dynamic Selection with the Informal Sector
Published:
Firm Dynamics with Tax Heaven
Published:
Dynamic Selection with the Informal Sector
Published:
Dynamic Selection with the Informal Sector
Published:
teaching
Macroeconomics
Undergraduate Course (Spring Semester), Kanagawa University, 2022
Undergraduate Macroeconomics, Spring Semester, Kanagawa University, 2022.
Microeconomics
Undergraduate Course (Spring and Fall Semesters), Kanagawa University, 2022
Undergraduate Microeconomics, Spring and Fall Semesters, Kanagawa University, 2022.
Intermediate Macroeconomics
Undergraduate and Graduate Course (Fall–Winter Semester; Co-taught), Hitotsubashi University, 2026
Intermediate Macroeconomics for undergraduate and graduate students, Hitotsubashi University, Fall–Winter Semester 2026. Co-taught course; my teaching period is in the Winter term (November–December).