Data Envelopment Analysis (DEA) is used to rank the relative efficiency of thirty-two counties comprising the Greater Minneapolis-St. Paul Metropolitan Region and finds that the greatest external economies originate in the urban core and decline toward the periphery. By employing 1993 IMPLAN...

Data Envelopment Analysis (DEA) is used to rank the relative efficiency of thirty-two counties comprising the Greater Minneapolis-St. Paul Metropolitan Region and finds that the greatest external economies originate in the urban core and decline toward the periphery. By employing 1993 IMPLAN...

Past observers of the iron ore industry have asserted that significant economies of scale exist in the mining of iron ore which is enriched into taconite pellets. Quasi, long‐run average costs (LAC) of production are measured and used to estimate optimum scale of plant. Indeed the LAC appears...