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	Provedor de dados AgEcon (2) Autor Darmstadter, Joel (1) Kropp, Brian (1) Landsberg, Hans H. (1) Tilton, John E. (1) Palavra-chave L72 (2) O31 (2) Productivity (2) Resource /Energy Economics and Policy (2) Technological change (2) Coal mining (1) Comparative advantage (1) Copper industry (1) F14 (1) Q30 (1) Q41 (1) Mais... Tipo do documento Working or Discussion Paper (2) Ano 1997 (2) País United States (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Innovation, Productivity Growth, and the Survival of the U.S. Copper Industry AgEcon Tilton, John E.; Landsberg, Hans H.. Mining is widely viewed as an old industry with mature and stable technologies. Companies and countries with the best deposits are the most productive and efficient producers. As these deposits are depleted, mining shifts to countries with the next best deposits. This tendency to exploit poorer quality ores tends to push productivity down and the prices of mineral commodities up over time. Copper mining in the United States, however, calls into question this conventional view. After leading the world in output for decades, the U.S. industry lost its ability to compete and suffered a major decline during the 1970s and early 1980s. In the face of predictions of complete collapse, it staged a remarkable revival, and today mines more copper than in 1970. A... Tipo: Working or Discussion Paper Palavras-chave: Copper industry; Productivity; Technological change; Comparative advantage; Resource /Energy Economics and Policy; Q30; L72; O31; F14. Ano: 1997 URL: http://purl.umn.edu/10534 Productivity Change in U.S. Coal Mining AgEcon Darmstadter, Joel; Kropp, Brian. Labor productivity in U.S. coal mining increased at an average annual rate of slightly over four percent during the past 45 years. This report examines key factors contributing to that record - particularly, technological innovation in both surface and underground mining and concurrent geographic shifts in U.S. coal production. Health, safety, and environmental regulations introduced in the sixties and seventies, as well as labor unrest, interrupted long-term productivity advance; but the interruption was of limited duration. Although our principal focus is on worker productivity, steady growth in the relative importance of nonlabor inputs underscores the need to consider total factor productivity. The report touches on the productivity record using that... Tipo: Working or Discussion Paper Palavras-chave: Coal mining; Productivity; Technological change; Resource /Energy Economics and Policy; Q41; L72; O31. Ano: 1997 URL: http://purl.umn.edu/10874 Registros recuperados: 2 Primeira ... 1 ... Última

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