Commodity Price Volatility and The Sources of Growth
Tiago Cavalcanti (),
Kamiar Mohaddes () and
No 597, Working Papers from Economic Research Forum
This paper studies the impact of the level and volatility of commodity terms of trade on economic growth, as well as on the three main growth channels: total factor productivity, physical capital accumulation, and human capital acquisition. We use the standard system GMM approach as well as a cross sectionally augmented version of the pooled mean group (CPMG) methodology of Pesaran et al. (1999) for estimation. The latter takes account of cross-country heterogeneity and cross-sectional dependence, while the former controls for biases associated with simultaneity and unobserved country-specific effects. Using both annual data for 1970–2007 and five-year non-overlapping observations, we find that while commodity terms of trade growth enhances real output per capita, volatility exerts a negative impact on economic growth, operating mainly through lower accumulation of physical capital. Our results indicate that the negative growth effects of commodity terms of trade (CTOT ) volatility offset the positive impact of commodity booms; and export diversification of primary commodity- abundant countries contributes to faster growth. Therefore, we argue that volatility, rather than abundance per se, drives the “resource curse” paradox.
Date: 2011-01-07, Revised 2011-01-07
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Journal Article: Commodity Price Volatility and the Sources of Growth (2015)
Working Paper: Commodity Price Volatility and the Sources of Growth (2011)
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