Discounting and Sustainability

The discounting of future benefits has long been one of the most controversial, and in many ways, unsatisfactory, aspects of benefit -cost analysis. This concern has been heightened by the rise of the environmental movement and, particularly by the debate over sustainable development. The sustainability approach is presented as an alternative to the standard benefit-cost analysis approach to the question of inter-generational equity. Sustainability is in fashion, and, as with all fashionable terms, it has been used in many ways and in support of many different policy agendas. A summary and critique of the literature is given by Ule (1991). I shall interpret sustainability very broadly to encompass two main concerns: (i) The interests of future generations should be given equal weight with our own in making decisions affecting the long term future; (ii) It should not be assumed that capital (that is, technology embodied in produced goods) can be substituted indefinitely to compensate for land (taken broadly to include all the contributions of the natural environment to human welfare, and agricultural production in particular). In this paper, the relationship between the idea of sustainability and the older literature on optimal growth is examined and implications for discounting, income distribution and the treatment of uncertainty are explored.


Issue Date:
1992-08
Publication Type:
Journal Article
PURL Identifier:
http://purl.umn.edu/10340
Published in:
Review of Marketing and Agricultural Economics, Volume 60, Number 02
Page range:
243-246
Total Pages:
4




 Record created 2017-04-01, last modified 2017-08-23

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