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Barcelona GSE Working Paper No. 545

Title: Sectoral Composition and Macroeconomic Dynamics
Authors: Jaime Alonso-Carrera, Jordi Caballé, and Xavier Raurich
Date: 06-04-2011
Keywords: multi-sector growth models, transitional dynamics, consumption growth
JEL Codes: O41, O47
We analyze the transitional dynamics of a model with heterogeneous consumption goods. In this model, convergence is driven by two different forces: the typical diminishing returns to capital and the sectoral change inducing the variation in relative prices. We show that this second force a¤ects the growth rate if the two consumption goods are not Edgeworth independent and if these two goods are produced with technologies exhibiting different capital intensities. Because the aforementioned dynamic sectoral change arises only under heterogeneous consumption goods, the transitional dynamics of this model exhibits striking differences with the growth model with a single consumption good. We also show that these differences in the transitional dynamics can give raise to large discrepancies in the welfare cost of shocks between the economy with a unique consumption good and the economy with multiple consumption goods.
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