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Clean and Dirty International Technology Diffusion

  • Valentina Bosetti

    (Department of Economics, Bocconi University, Fondazione Eni Enrico Mattei and Euro-Mediterranean Center on Climate Change)

  • Elena Verdolini

    (Fondazione Eni Enrico Mattei and Euro-Mediterranean Center on Climate Change)

This paper investigates the role of Intellectual Property Rights (IPR) protection and Environmental Policies (EPs) on clean (renewable) and dirty (fossil-based) technology diffusion from top-innovators. IPR protection and EPs are extensively debated policy tools, as IPR protection addresses knowledge market failure, while EPs respond to pressing local and global environmental externalities. A model of monopolistic competition inspired by the recent trade literature shows that the profits associated with exporting a blueprint are a function of the quality of the idea and of market and institutional characteristics of the receiving country. We test the empirical implications of our model using patent data in renewable and fossil efficient power technologies for 13 top innovating countries and 40 patenting authorities. We improve on previous contributions by accounting for unobserved heterogeneity and for the endogeneity of policy proxies through a Generalized Method of Moment estimator. We show that knowledge transfer through patent duplication increases with the level of IPR protection, but with slight diminishing marginal returns. The effect is stronger for clean technologies, which are arguably less mature and more sensitive to uncertainty. Commitment to EPs also increases the incentives for patent duplication. The magnitude of the effect is conditional on the nature of the technology and on the specific policy instrument.

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Paper provided by Fondazione Eni Enrico Mattei in its series Working Papers with number 2013.43.

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Date of creation: May 2013
Date of revision:
Handle: RePEc:fem:femwpa:2013.43
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