Climate Change, Total Factor Productivity, and the Tanzanian Economy: A Computable General Equilibrium Analysis
AbstractThis paper analyzes the economic impacts of climate change-induced adjustments on the performance of the Tanzanian economy, using a countrywide CGE (computable general equilibrium) model. The general equilibrium framework enables comparison of the effects of climate change to the overall growth of the economy because responsiveness to shocks is likely to depend on the macroeconomic structure of the economy. Effect of overall climate change on agricultural productivity is projected to be relatively limited until approximately 2030 and become worse thereafter. Our simulation results indicate that, despite the projected reduction in agricultural productivity, the negative impacts can potentially be quite limited. This is because the time scales involved and the low starting point of the economy leave ample time for factor substitutability (i.e., replacing reduced land productivity with increased use of capital and labor) and increased overall productivity. This indicates that policies that give farmers opportunity to invest in autonomous climate adaptation, as well as policies that improve the overall performance of the economy, can be as important for reducing the impacts of climate change in the economy as direct government policies for climate adaptation. The study results can inform policymakers when choosing between direct climate-change adaptation policies or measures aimed at strengthening the fundamentals of the economy, as ways of insulating against external shocks.
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Bibliographic InfoPaper provided by Resources For the Future in its series Discussion Papers with number dp-10-14-efd.
Date of creation: 08 Jun 2010
Date of revision:
climate change; agriculture; total factor productivity; Tanzania; CGE model;
Find related papers by JEL classification:
- Q18 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Agricultural Policy; Food Policy
- C02 - Mathematical and Quantitative Methods - - General - - - Mathematical Economics
This paper has been announced in the following NEP Reports:
- NEP-AGR-2010-06-18 (Agricultural Economics)
- NEP-ALL-2010-06-18 (All new papers)
- NEP-CMP-2010-06-18 (Computational Economics)
- NEP-EFF-2010-06-18 (Efficiency & Productivity)
- NEP-ENE-2010-06-18 (Energy Economics)
- NEP-ENV-2010-06-18 (Environmental Economics)
- NEP-RES-2010-06-18 (Resource Economics)
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