We examine human capital's contribution to economy-wide technological progress through two channels -- imitation and innovation -- innovation being more skilled-intensive than innovation. We develop a growth model considering an endogenous ability-driven skill acquisition decision of an...

An advanced economy relies on innovation activity for its further technology improvement. On the other hand a backward economy depends on both imitation from the world technology frontier and innovation activities - innovation being more skilled-intensive than imitation. In this paper I...

Global warming caused by accumulation of emissions of greenhouse gases (GHGs) is a public bad, addressing which requires collective action by all the countries of the world. Under the United Nations Convention on Climate Change (UNFCCC), most countries have negotiated the Kyoto Protocol for GHG...