Testing Conditional Convergence of Growth Under Mankiw-Romer-Weil's Test of Neoclassical Growth Model
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Authors
Cader, Mohamed
Issue Date
2014
Type
Conference Paper
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Abstract
Solow’s neoclassical growth model predicts that countries with low capital stock tend to converge to their
steady-state at a faster rate. This study attempts to test conditional convergence of GCC economies. The
study finds significant empirical evidence of conditional convergence of the GCC economies over the period
from 1971 to 2011 using the Mankiw et al. (1992) model. Using panel data estimation, the study estimates
savings and population growth rates and their effects on income per capita in GCC economies. The results
indicate significant negative relationship between domestic investment and output per capita due to net capital outflows. Capital inflows appear to be insufficient to offset the large investments by GCC governments
abroad. A positive relationship between output per capita income and employment growth is found and is
inconsistent with Solow’s growth model predictions. Wage elasticity in estimation of conditional convergence supports the hypothesis that GCC economies grow in output per capita due to growth in government
expenditure. Results found wages to have a positive relationship with income per capita. GCC economies
tend to increase their welfare programs and wages as their output per capita grows. Due to the inadequate
macroeconomic policies in GCC economies, estimation finds profits to have a negative relationship with
income per capita, which is also inconsistent with Solow’s predictions. It is believed to be attributed to GCC
governments’ generous welfare programs which tend to lower interest rates, thus lowering investments and
profits. Speed of convergence for GCC economies is found to be a positive 0.219 which is attributed to net
capital outflows of GCC economies, hindering growth of investments
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Citation
Mohamed, E., Cader, M. H. (2014). Testing Conditional Convergence of Growth Under Mankiw-Romer-Weil's Test of Neoclassical Growth Model. (pp. 67-74). University of Ruhuna: Proceedings of the third 3rd International Conference on Management and Economics -ICME 2014, Faculty of Management and Finance.