Journal of Monetary Economics volume 59, issue 6, P550-564 2012 DOI: 10.1016/j.jmoneco.2012.06.009 View full text
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Roc Armenter, Amartya Lahiri

Abstract: a b s t r a c tCross-country income gaps are large in the data. Can observed investment prices account for these gaps? Our model adds an extensive margin to the neoclassical growth model by allowing for entry of firms. When combined with a ''returns to variety'' effect, our model provides an amplification mechanism from investment prices to output. Using cross-country data on relative investment prices, the model can explain up to 5 to 6-fold income differences between the richest and poorest countries in our…

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