The Choice between Formal and Informal Intellectual Property: A Literature Review

This work contains statistical data from UK ONS which is Crown copyright and reproduced with the permission of the controller of HMSO and Queen's Printer for Scotland. The use of the ONS statistical data in this work does not imply the endorsement of the ONS in relation to the interpretation or analysis of the statistical data. This work uses research datasets which may not exactly reproduce National Statistics aggregates. We gratefully acknowledge funding from the UK Intellectual Property Office. We thank Beth Webster, Ivan Png, and John Walsh for valuable comments. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.

• May 30, 2013