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The Australian Copyright Council published Hans Guldberg's valuable Copyright: An Economic Perspective. It highlights the role of copyright-related industries in Australia's GDP and for example notes that those industries are growing at 1.5 times the rate of the total economy. Ruth Towse's 2001 Copyright & the Cultural Industries: Incentives and Earnings paper (PDF) offers estimates about the value of IP in the music sector and how the pie is sliced.

The International Intellectual Property Alliance's 2002 report (PDF) and 2000 report (PDF) on the significance of copyright for the US economy paints a similar picture, in line with findings in The Economic Impact Of Knowledge (Boston: Butterworth 1998) edited by Dale Neef and writing about the information economy highlighted in other guides on this site. 

Elizabeth Webster's 2002 (PDF) Intangible & Intellectual Capital: A Review of the Literature highlights particular research. A useful introduction to economic aguments is provided by Paul David's chapter on 'Intellectual Property Institutions & the Panda's Thumb: Patents, Copyrights and Trade Secrets in Economic Theory & History' in Global Dimensions Of Intellectual Property Rights In Science & Technology (Washington: National Academy Press 1993) edited by Mitchel Wallerstein.

Intellectual Property Rights in Science, Technology, & Economic Performance (Boulder: Westview 1990) by Francis Rushing & Carole Ganz Brown offers a similar exploration, complemented by William van Caenegem's Intellectual Property Law and Innovation (Cambridge: Cambridge Uni Press 2007).

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