Key points are not available for this paper at this time.
This paper is a revision of an Invited Paper for the Australian Conference of Economists, Adelaide, 1‐3 October 2002. The research on which the paper draws was funded by the Grape and Wine Research and Development Corporation, the Rural Industries Research and Development Corporation, and the Australian Research Council. Thanks are due to Nick Berger for his pioneering work in developing a prototype of the database and model used in this paper (see Berger, 2000 ) and to an anonymous referee for helpful comments.
Anderson et al. (Thu,) studied this question.