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North-South Convergence and the Allocation of CO2 Emissions

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  • Humberto Llavador
  • John E. Roemer
  • Joaquim Silvestre

Abstract

We postulate a two-region world, comprised of North (calibrated after the US) and South (calibrated after China). Our optimization results show the compatibility of the following three desiderata: (1) Global CO2 emissions follow a conservative path that leads to the stabilization of concentrations at 450 ppm. (2) North and South converge to a path of sustained growth at 1% per year (28.2% per generation) in 2075. (3) During the transition to the steady state, North also grows at 1% per year while Souths rates of growth are markedly higher. The transition paths require a drastic reduction of the share of emissions allocated to North, large investments in knowledge, both in North and South, as well as very large investments in education in South. Surprisingly, in order to sustain Norths utility growth rate, some output must be transferred from South to North during the transition. Although undoubtedly subject to many caveats, our results support a degree of optimism by providing prima facie evidence of the possibility of tackling climate change in a way that is fair both across generations and across regions while allowing for positive rates of human development.

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Bibliographic Info

Paper provided by Barcelona Graduate School of Economics in its series Working Papers with number 493.

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Date of creation: Aug 2010
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Handle: RePEc:bge:wpaper:493

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Keywords: Convergence; CO2 emissions; North-South; climate change; sustainability; growth;

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  1. Humberto Llavador & John E. Roemer & Joaquim Silvestre, 2009. "A Dynamic Analysis of Human Welfare in a Warming Planet," Cowles Foundation Discussion Papers 1673R, Cowles Foundation for Research in Economics, Yale University.
  2. Eaton, Jonathan & Kortum, Samuel, 1999. "International Technology Diffusion: Theory and Measurement," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 40(3), pages 537-70, August.
  3. Yan Wang & Yudong Yao, 2001. "Sources of China's economic growth, 1952-99 : incorporating human capital accumulation," Policy Research Working Paper Series 2650, The World Bank.
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