J. C. V. Pezzey

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We estimate and compare two empirical measures of the weak sustainability of an economy for the first time: the change in augmented Green Net National Product (GNNP), and the interest on augmented Genuine Savings (GS). Yearly calculations are given for each measure for Scotland during 1992–1999. Augmentation means including, using projections to 2020,(More)
Uncertainty can hamper the stringency of commitments under cap and trade schemes. We assess how well intensity targets, where countries' permit allocations are indexed to future realised GDP, can cope with uncertainties in a post-Kyoto international greenhouse emissions trading scheme. We present some empirical foundations for intensity targets and derive a(More)
We compare three different views on the long run efficiencies of emission taxes which include thresholds, and of tradable emission permits where some permits are initially free. The differences are caused by different assumptions about whether thresholds and free permits should be subsidies given only to firms that produce, or full property rights. Treating(More)
1 Acknowledgments: We thank Ken Arrow, Larry Goulder and David Victor for expert guidance of the project of which this paper is one output. For funding we thank the William and Flora Hewlett Foundation through Stanford University, as well as the Program on Energy and Sustainable Development at Stanford University. We are grateful to Quentin Grafton and(More)
Exact optimal paths are calculated for a closed economy with human-made capital, non-renewable resource depletion and exogenous technical progress in production, hyperbolic utility discounting, and (possibly) hyperbolic technical progress. On its optimal path, generally, welfare-equivalent income > wealth-equivalent income > Sefton-Weale income > NNP, with(More)
We compare three different views on the long run efficiencies of emission taxes which include thresholds (inframarginal exemptions), and of tradeable emission permits where some permits are initially free. The differences are caused by different assumptions about whether thresholds and free permits should be subsidies given only to firms that produce, or(More)