Effects of Demographic Change on the Expenditure Composition in Japanese Economy Nao Sudo, Michio Suzuki, Tomoaki Yamada Nov 30, 2014 Work in progress. Consumption Inequality Consumption Profile NSFIE FIES Tomoaki Yamada Professor of Economics My research interests include heterogeneity in macroeconomics, inequality, consumption and savings, population aging, and the social security system. Related Wage, Income and Consumption Inequality in Japan, 1981-2008: from Boom to Lost Decades Response of Inequality to a Growth Rate Slowdown in Japanese Economy during the Lost Decades Inequalities in Japanese Economy during the Lost Decades Inequality Dynamics in Japan, 1981-2021 The Time Trend and Life-cycle Profiles of Consumption