『International Journal for Equity in Health』に小塩隆士特任教授(一橋大学経済研究所)、Ruru Ping講師（一橋大学社会科学高等研究院）、本田文子教授（一橋大学社会科学高等研究院）らの論文「Income-related inequality and horizontal inequity in healthcare utilization under population aging and labor market changes in Japan 」が掲載されました。
 
Oshio, T., Ping, R. & Honda, A. Income-related inequality and horizontal inequity in healthcare utilization under population aging and labor market changes in Japan. International Journal for Equity in Health (2025). https://doi.org/10.1186/s12939-025-02729-3
 
【Abstract】
Population aging, changes in employment patterns, and widening income disparities have caused concerns about equity in healthcare access within Japan’s universal health insurance system. This study examined income-related inequality and horizontal inequity in healthcare utilization in Japan.