Energy, Money and Pollution
AbstractThis paper explores general equilibrium consumption choices and interest rate de- termination in a two-period model in which the production side explicitely describes the thermodynamic process unavoidably connected with production, as argued by Georgescu Roegen. A simple energy based production process is modeled, which is not in a stationary state. The resulting production function is time dependent. In neoclassical general equilibrium the thermodynamic implication of the production process, i.e. the production of waste, will not be taken into account by decision making agents. For welfare optimality, the resulting externality need be corrected by a social planner,or through the use of environmental related taxation. However, it is shown that imposing in the same economy energy as a medium of exchange (money), makes agents "energy conscious" and decreases the externality associated with entropic waste production through a market mechanism, without the need for the intervention. In the limit case in which production occurs in thermodynamic equilibrium, no entropic waste is produced, and the model collapses to the nested neoclassical model. A contribution of the proposed approach is the determination of energy (money) prices in general equilibrium. Despite the fact that energy does not enter the agents utility function, and therefore has no direct value, money prices and interest rate can be fully characterized in the model due precisely to the pro- duction technology adopted. The change in the numeraire and medium of exchange performed a ects the economy due to the non stationarity of the production process, but has no e ect in the limit case in which the productive process reaches steady state.
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Bibliographic InfoPaper provided by Department of Economics, University of Siena in its series Department of Economics University of Siena with number 410.
Date of creation: Dec 2003
Date of revision:
Find related papers by JEL classification:
- E42 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Monetary Sytsems; Standards; Regimes; Government and the Monetary System
- H23 - Public Economics - - Taxation, Subsidies, and Revenue - - - Externalities; Redistributive Effects; Environmental Taxes and Subsidies
This paper has been announced in the following NEP Reports:
- NEP-ALL-2003-12-14 (All new papers)
- NEP-ENV-2003-12-14 (Environmental Economics)
- NEP-MON-2003-12-14 (Monetary Economics)
- NEP-PBE-2003-12-14 (Public Economics)
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