Raúl Prebisch (April 17, 1901April 29, 1986) was an Argentine economist known for his contributions to structuralist economics such as the Prebisch–Singer hypothesis, which formed the basis of economic dependency theory. He became the executive director of the Economic Commission for Latin America (ECLA or CEPAL) in 1950. In 1950, he also released the very influential study The Economic Development of Latin America and its Principal Problems. Wikipedia
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