An interaction model for livestock farming and steppe ecosystem

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An interaction model for livestock farming and steppe ecosystem

Author Info

Demberel S. (Centre Ast. Geophysics Mongolian Ac. Sc.)
Nicholas Olenev (Dorodnicyn Computing Centre RAS)
Igor Pospelov (Dorodnicyn Computing Centre RAS)

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Nicholas Olenev

Abstract

This work builds a macro model for livestock farming based on aggregation of initial micro description for rational control of total number of vintage livestock (age cohorts). Solution of an optimal problem on cohort total number of livestock gives the age limit for the operation of animals, the volume of the credits for the farm, the speed of slaughter, and the conditions of the farm purchase of young animals. The integral equation for the equilibrium price of young animals is obtained. A steppe ecosystem model based on a carbon cycle is constructed. The model takes into account some external influences. It is taken into account that the maintenance of animals damages the nature. Numerical experiments on the obtained ecological- economic model with the rational expectations is solved with the help of the highly productive calculations on the supercomputer MVS 1000M. On the basis of base scenario the developments of processes in several alternatives are built and calculated. One of scenarios demonstrates a regime in which the area of natural pastures is reduced by the virtue of external human activity. }

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Paper provided by EconWPA in its series GE, Growth, Math methods with number 0309009.

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Date of creation: 19 Sep 2003
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Handle: RePEc:wpa:wuwpge:0309009

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Find related papers by JEL classification:
C51 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Construction and Estimation
E17 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Forecasting and Simulation
E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
H32 - Public Economics - - Fiscal Policies and Behavior of Economic Agents - - - Firm
J21 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Labor Force and Employment, Size, and Structure
J43 - Labor and Demographic Economics - - Particular Labor Markets - - - Agricultural Labor Markets
O13 - Economic Development, Technological Change, and Growth - - Economic Development - - - Agriculture; Natural Resources; Environment; Other Primary Products
O53 - Economic Development, Technological Change, and Growth - - Economywide Country Studies - - - Asia including Middle East
Q14 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Agricultural Finance
Q24 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation - - - Land

This paper has been announced in the following NEP Reports:

NEP-AGR-2003-10-20 (Agricultural Economics)
NEP-PBE-2003-09-24 (Public Economics)

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