Testing for structural break in Japanese demand system after the bubble era

► We define the structural break in the Japanese demand system after the bubble era. ► We apply the structural break test by Andrews et al. (1996) to cointegrated demand system. ► We define the time-series change in preference as the concept of structural break. ► Change for commodity prices by the decline in personal income occurred. ► Change regarding goods in aging effect with improving of living standards occurred.