Broadband Diffusion: Lags from Vintage Capital, Learning by Doing, Information Barriers and Network Effects By Bronwyn Howell and Mark Obren May 2002 Address for correspondence: New Zealand Institute for the Study of Competition and Regulation; and Graduate School of Business and Government Management Victoria University of Wellington PO Box 600 Wellington New Zealand bronwyn.howell@vuw.ac.nz http:/www.iscr.org.nz Paper prepared for the International Communications Forecasting Conference San Francisco, June 25-29, 2002. The authors acknowledge the project sponsorship of Dr Roderick Deane, and the support and assistance of Mark Jenkins, Mike Lott and Chris Thompson, in the preparation of this article. This paper is based upon the April 2002 working paper of the same name available on the ISCR website.