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ID:
162907
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| Summary/Abstract |
Many countries have introduced various policies to improve the energy efficiency of home appliances. Japan introduced the Top Runner Program in 1998 to set efficiency standards for major home appliances. Although the energy efficiency of home appliances significantly improved after the implementation of the program, household electricity consumption has also increased. Using micro-level data from the National Survey of Family Income and Expenditure, we conduct conditional demand analysis to show how energy savings have been lost after the Top Runner Program. We find that households began spending more electricity on space cooling and food preservation after the implementation of the program. Although electricity consumption per air conditioner (AC) has decreased, the number of ACs per household has increased. Conversely, electricity consumption per refrigerator (REF) has increased because households have started buying bigger REFs. The energy savings obtained by the Top Runner Program was lost by the size and stock increases of home appliances. If a household increases the size and stock of home appliances, then it will not be possible to reduce the household electricity consumption by simply improving the energy efficiency of appliances.
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| 2 |
ID:
166463
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| Summary/Abstract |
The global energy efficiency market is expanding, and efforts to distribute highly energy-efficient household appliances continue worldwide. It is important to understand consumer attitudes towards household appliances with different energy efficiencies in order to create energy savings effects in the household sector. This study analyses consumer preference for electric rice cookers, and assesses the energy-saving and emission-reduction effects of a rebate program in South Korea. The preference data was collected from choice experiments, and then analysed using a mixed logit model. Estimation results show that there is heterogeneity in consumer preference for all attributes of the rice cooker, and consumers place a high importance on price attribute. The rebate program in the rice cooker market also has a considerable effect on consumer purchase decisions, and results in an annual reduction of 83.88 GWh of electricity consumption and 37,200 tons of CO2e, when a 10% rebate is provided for 1st grade energy-efficiency products. Several policy implications for the energy-efficiency market and energy-labeling program are suggested, based on the results of the analysis.
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