The role of patent protection in (clean/green) technology transfer
---- Acknowledgements -----
Parts of this survey are based on presentations by the first author to a WIPO Conference in Mexico City, January 2008 and a KDI Conference in Seoul, February 2010. We are grateful to participants at those conferences and to Estelle Derclaye and Fabio Montobbio for comments on an earlier draft. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.