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price set by the major U.S. producers. Simultaneously, the rest of the world was trading copper at prices determined in …Before 1978, most of the U.S. domestic copper production and an important fraction of the imports were traded at a … copper as a benchmark for setting their prices. Using this regime shift I test empirically the competitive behavior of the U …
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Using a unique dataset linking preschool blood lead levels (BLLs), birth, school, and detention data for 120,000 children born 1990-2004 in Rhode Island, we estimate the impact of lead on behavior: school suspensions and juvenile detention. We develop two instrumental variables approaches to...
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