The Bank of Japan has published a comprehensive study examining the dynamics of demand functions across various consumer products over the past three decades. Utilizing point-of-sale data and advanced machine learning techniques, the research focuses on estimating key parameters like price elasticity and demand curvature, which are critical for understanding consumer behavior in Japan.

Findings indicate that while the aggregate median price elasticity and markups have remained stable, recent trends show a slight decline in absolute price elasticity accompanied by a rise in markups. Furthermore, the analysis highlights a notable shift in demand curvature, which increased until the mid-2010s but started to decline thereafter. These changes appear to correlate significantly with socio-economic factors, particularly the rising participation of women in the labor force.

This study underscores the impact of socio-economic shifts on consumer sensitivity to price changes. As increased labor participation influences demand patterns, policymakers and economists will need to consider these dynamics when analyzing market behavior. The research is part of the Bank of Japan’s ongoing efforts to deepen understanding of consumer market trends.

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Official Source: Bank of Japan