Proxy Variables for Energy Saving Performance in Estimation Price Function of Home Appliances

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  • 家電製品の価格関数推定における省エネ性能の代理変数

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This paper estimates the hedonic price function from January 1998 to October 2019 using Point of Sales (POS) data of TVs, air conditioners, refrigerators, rice cookers, vacuum cleaners, and washing machines. While controlling for the standard specifications of each product, POS data was used to observe whether the degree of energy-saving functions and the presence or absence of additional functions contributed to higher value added. The largest difficulty is determining what specifications are representative of each product over an approximate 20-year span to select appropriate energy-saving performance proxy variables. In the empirical results, we were able to observe the effects of past and current consumption tax increases on each product market, as well as the effects of extreme weather, such as high temperatures, on each product market. Our estimation results showed that product size/volume and energy-saving functions are effective in explaining the price model of home appliances.

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  • 経済科学

    経済科学 70 (4), 103-117, 2023-03

    Graduate School of Economics Nagoya University

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