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Infrastructure and its effects on both economic development and regional integration are a key concern for decision-makers and stakeholders at local, national and regional levels, in industrialized countries and even more so in developing economies. However, the effects of infrastructure on economic variables are not always identifiable, and vary according to the type of infrastructure, the economic sectors and the economic level of the region affected by the investment. Based essentially on the theoretical results of endogenous growth models (Barro, 1990) and using a three-equation simultaneous model that takes into account the interdependence of explained variables (Duffy-Deno and Eberts method, 1991), our results highlight a positive causality between public infrastructure and growth in regional per capita income. Hence, public spending on infrastructure remains a proven source of economic growth within ECOWAS. In turn, per capita income is an important determinant of public infrastructure development.
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Létondé F. Brice HOUETON es ingeniero estadístico y economista, doctor en economía. Tiene veinticinco años de experiencia internacional en el sector de las finanzas, lo que le ha permitido adquirir conocimientos especializados en la estructuración de la financiación y la gestión y evaluación de políticas y programas públicos.
