Money Metrics Welfare Measures in Imperfect Markets under Growth
This paper shows how utility based welfare measures in dynamic general equilibrium under imperfect markets can be transferred into a money metrics. In order to do this, we need to price forward looking components measured in units of utility. The typical comprehensive quasi-static welfare measure contains a core that looks like a comprehensive (green) NNP component, as well as additional consumer surplus terms for both consumption goods and the externality. In addition, it contains a forward looking component with the discounted value of the marginal externality as the function to be integrated over time is also required. To accomplish this, we need a price index that is independent of the market basket, or to assume that the marginal utility of income is constant over time. With respect to local welfare measures it turn out that growth in traditional NNP will surprisingly work, provided that we condition on a positive average marginal rate of return of investment, and use an augmented genuine saving concept.
|Date of creation:||28 Aug 2006|
|Contact details of provider:|| Postal: Department of Economics, Umeå University, S-901 87 Umeå, Sweden|
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- Li, Chuan-Zhong & Löfgren, Karl-Gustaf, 2004. "The Role of the Hamiltonian in Dynamic Price Index Theory," Umeå Economic Studies 626, Umeå University, Department of Economics.
- Martin L. Weitzman, 1976.
"On the Welfare Significance of National Product in a Dynamic Economy,"
The Quarterly Journal of Economics,
Oxford University Press, vol. 90(1), pages 156-162.
- M. L. Weitzman, 1974. "On the Welfare Significance of National Product in Dynamic Economy," Working papers 125, Massachusetts Institute of Technology (MIT), Department of Economics.
- Asheim, Geir B. & Weitzman, Martin L., 2001. "Does NNP growth indicate welfare improvement?," Economics Letters, Elsevier, vol. 73(2), pages 233-239, November.
- Asheim,G.B. & Weitzman,M.L., 2001. "Does NNP growth indicate welfare improvement?," Memorandum 02/2001, Oslo University, Department of Economics.
- Dasgupta, Partha & M Ler, Karl-G Ran, 2000. "Net national product, wealth, and social well-being," Environment and Development Economics, Cambridge University Press, vol. 5(01), pages 69-93, February.
- Hamilton, Kirk, 1994. "Green adjustments to GDP," Resources Policy, Elsevier, vol. 20(3), pages 155-168, September.
- Weitzman, Martin L, 2001. " A Contribution to the Theory of Welfare Accounting," Scandinavian Journal of Economics, Wiley Blackwell, vol. 103(1), pages 1-23, March. Full references (including those not matched with items on IDEAS)
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