A Model of Commodity Prices after Sir Arthur Lewis
AbstractWe develop an idea from Arthur Lewisâ paper on unlimited supplies of labor to model the longrun behavior of the prices of primary commodity produced by poor countries. Commodity supply is assumed infinitely elastic in the long run, and the rate of growth of supply responds to the excess of the current price over the long run supply price. Demand is linked to the level of world income and to the price of the commodity, so that price is stationary around its supply price, and commodity supply and world income are cointegrated. The model is fitted to long-run historical data.
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Bibliographic InfoPaper provided by Centre de Recherche en Economie et Statistique in its series Working Papers with number 2002-19.
Date of creation: 2002
Date of revision:
Other versions of this item:
- Deaton, Angus & Laroque, Guy, 2003. "A model of commodity prices after Sir Arthur Lewis," Journal of Development Economics, Elsevier, vol. 71(2), pages 289-310, August.
- Angus Deaton & Guy Laroque, 2002. "A model of commodity prices after Sir Arthur Lewis," Working Papers 201, Princeton University, Woodrow Wilson School of Public and International Affairs, Research Program in Development Studies..
- E3 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles
- F1 - International Economics - - Trade
- O1 - Economic Development, Technological Change, and Growth - - Economic Development
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