In addition, Urzúa Macías worked as a consultant to the World Bank on four occasions, as well as the United Nations Economic Commission for Latin America and the Caribbean, the United Nations Development Programme and the Organisation for Economic Co-operation and Development .
Matias Vernengo, a University of Utah economist, identifies two main streams in dependency theory: the Latin American Structuralist, typified by the work of Prebisch, Celso Furtado and Anibal Pinto at the United Nations Economic Commission for Latin America (ECLAC, or, in Spanish, CEPAL); and the American Marxist, developed by Paul A. Baran, Paul Sweezy, and Andre Gunder Frank.
United Nations Economic Commission for Latin America and the Caribbean, also abbreviated by UNECLAC or ECLAC now, previously called "United Nations Economic Commission for Latin America", or UNECLA.
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