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Inter-Regional Learning Curve Model of Renewables in the Context of Technology Spillover

Through a large number of studies on different forms of learning curve model, there has obtained an argument that renewable technological change can be affected by a broad range of factors. Among them, technology spillover (or knowledge spillover) is not to be ignored when identifying underlying mechanism on inducing renewable technological change. From the standpoint of technology spillover, an interregional learning curve model is presented in this paper, which not only provides an alternative approach of learning curve formulation capable of reflecting spillover effect on cost reduction, but also supports to estimate the impact of local-regional learning experience on the overall region. The case study of li-ion battery is demonstrated to validate the proposed learning curve model, in which the impact of the learning experience of li-ion battery at different region on the global level is also discussed.