1. The process has been described and analysed in J. K. Bowers and P. Cheshire, Agriculture, the Countryside and Land-Use (London: Methuen, 1983).
2. For the loss of semi-natural habitat see Nature Conservancy Council, Nature Conservation in Great Britain (London, 1984).
3. For other aspects of social costs, see Countryside Commission New Agricultural Landscapes: Issues, Objectives and Action (London, 1977).
4. For a survey of the literature see Anthony C. Fisher, Resource and Environmental Economics, Cambridge Surveys of Economic Literature (Cambridge: 1981) ch. 5.
5. For an appraisal, see J. K. Bowers and C. A. Nash, ‘Environmental Effects in Cost-Benefit Analysis: a review’, in R. K. Turner (ed.), Environmental Economics Issues: Sustainability, Resource Conservation and Pollution Control, Economic and Social Research Council, 1986, forthcoming.