Shoki Kusaka

PhD candidate, Economics — Yale University (expected May 2027)
New Haven, CT

Research

Research interests: Industrial Organization and International Trade

Working papers

Welfare Gains from Product and Process Innovations: The Case of LCD Panels, 2001–2011
with Mitsuru Igami, Jeff Qiu, and Tuyetanh L. Tran (2025) — Revise & Resubmit, Econometrica
New Technology Diffusion: Implications for Monopsony Power, Markups, and Labor Share
with Tetsuji Okazaki, Ken Onishi, and Naoki Wakamori (2022) — Revise & Resubmit, Review of Economic Studies
Markdowns and Trade Liberalization in Developing Countries: Evidence from Colombia, 1977–2020
(2024)

Work in Progress

Patents as Indicators of Innovation: Large Language Models Meet Ground Truth in the LCD Industry
with Mitsuru Igami, Simon Scheidegger, and Anna Smirnova (2026)
Minimum Wage, Trade Policy, and Inforality: Evidence from Colombia
(2026)

Publications

The Impacts of AI, Robots, and Globalization on Labor Markets: Analysis of a Quantitative General Equilibrium Trade Model
with Taiji Furusawa and Sugita Yoichi (2022) — in Robots and AI: a New Economic Era (Routledge)
Projecting Prevalence of Frailty and Dementia and the Economic Cost of Care in Japan from 2016 to 2043: a Microsimulation Modelling Study
with Megumi Kasajima et al. (2022) — The Lancet Public Health, 7(5), 458–468

Teaching