抄録
This paper presents economic impact of deploying “money-saving” low carbon technologies in the household sector, such as switching from incandescent light bulbs to LED bulbs or installing rooftop solar panels. In the traditional economic assessment of transition to the low carbon economy, the existence of such money-saving technologies is ignored. We suggest different micro effect of such technologies than cost increasing technologies. We firstly evaluated micro impact of money-saving technologies to the households, and secondly combined with macro structural change into the applied general equilibrium model of Japanese economy (AGE2005 model). The result showed that deploying money-saving low carbon technologies will increase economic welfare of household sector, without GDP reduction, because money-saving technologies will increase consumption level, and instead of decreased electricity demand, other consumption goods and services will increase especially machinery and related materials. In the case with feed-in tariffs for the electricity from rooftop solar panels, economic welfare decrease but very slightly than in the case with carbon tax.
