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Infrastructure and Growth in Africa

COMMUNICATION TECHNOLOGIES CONCESSIONS CONDITIONAL CONVERGENCE CORRELATION MATRIX COVARIANCE MATRIX DISTRIBUTION LOSSES DRIVERS DRIVING ECONOMETRIC CHALLENGES ECONOMETRIC METHODOLOGY ECONOMETRICS ECONOMIC DEVELOPMENT ECONOMIC GROWTH ECONOMIC PERFORMANCE ECONOMICS ELECTRIC POWER ELECTRIC POWER SECTOR ELECTRICITY ELECTRICITY GENERATION ELECTRICITY PRODUCTION ELECTRICITY SECTOR ELECTRICITY SERVICES EMPLOYMENT EXOGENOUS VARIABLES EXPANSION FINANCIAL SUPPORT FINANCIAL SYSTEMS FRONT OFFICE GEOGRAPHICAL AREAS GROWTH EQUATION GROWTH RATES HUMAN CAPITAL INCOME INEQUALITY INDUSTRIAL ECONOMIES INFRASTRUCTURE ASSETS INFRASTRUCTURE DEVELOPMENT INFRASTRUCTURE INDUSTRIES INFRASTRUCTURE INVESTMENT INFRASTRUCTURE PROVISION INFRASTRUCTURE REFORM INFRASTRUCTURE SECTOR INFRASTRUCTURE SERVICES INFRASTRUCTURE SPENDING INSTALLATION LENGTH OF ROAD LOCAL CALLS LOSS OF INFORMATION MOBILE PHONE MOBILE PHONES NOISE PHYSICAL INFRASTRUCTURE POPULATION DENSITY PRIVATE INVESTMENT PRIVATE PARTNERSHIP PRIVATE SECTOR PRIVATIZATION PRODUCTIVITY PROVISION OF INFRASTRUCTURE PUBLIC INFRASTRUCTURE PUBLIC INVESTMENT PUBLIC PRIVATE INFRASTRUCTURE PUBLIC SECTOR PUBLIC UTILITIES QUALITY OF SERVICES RAILWAY RAILWAY NETWORKS RESULT RESULTS RETRENCHMENT ROAD ROAD INFRASTRUCTURE ROAD NETWORK ROAD NETWORKS ROAD QUALITY ROAD SYSTEM ROADS SANITATION SERVICE QUALITY SET OF STANDARD STOCKS TELECOMMUNICATION TELECOMMUNICATIONS TELECOMMUNICATIONS INFRASTRUCTURE TELECOMMUNICATIONS NETWORKS TELECOMMUNICATIONS SERVICES TELEPHONE TELEPHONE LINE TELEPHONE LINES TELEPHONE PENETRATION TRANSMISSION TRANSPORT TRANSPORTATION TRANSPORTATION INFRASTRUCTURE USES WATER SERVICES WEALTH WEB
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Africa | Africa | Africa
2012-03-19T19:10:17Z | 2012-03-19T19:10:17Z | 2009-04-01

The goal of the paper is to provide a comprehensive assessment of the impact of infrastructure development on growth in African countries. Based on econometric estimates for a sample of 136 countries from 1960-2005, the authors evaluate the impact on per capita growth of faster accumulation of infrastructure stocks and of enhancement in the quality of infrastructure services for 39 African countries in three key infrastructure sectors: telecommunications, electricity, and roads.Using an econometric technique suitable for dynamic panel data models and likely endogenous regressors, the authors find that infrastructure stocks and service quality boost economic growth. The growth payoff of reaching the infrastructure development of the African leader (Mauritius) is 1.1 percent of GDP per year in North Africa and 2.3 percent in Sub-Saharan Africa, with most of the contribution coming from more, rather than better, infrastructure. Across Africa, infrastructure contributed 99 basis points to per capita economic growth, versus 68 points for other structural policies. Most of the contribution came from increases in stocks (89 basis points), versus quality improvements (10 basis points). The findings show that growth is positively affected by the volume of infrastructure stocks and the quality of infrastructure services; simulations show that our empirical findings are significant statistically and economically. Identifying areas of opportunity to generate productivity growth, the authors find that African countries are likely to gain more from larger stocks of infrastructure than from enhancements in the quality of existing infrastructure. The payoffs are largest for telephone density, electricity-generating capacity, road-network length, and road quality.

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