Testing for employer monopsony in turn-of-the-century coal mining

Article Abstract:

Coal mine operators wield minimal monopsony power, if any, over their workers. This was revealed by the results of a test of labor monopsony power in West Virginia coal mining from 1897 to 1932. Monopsony power is tested by estimating inverse labor supply elasticities using a county-level panel data. It was found that employer monopsony had little effect in determining wages in coal mining, a sector traditionally associated with labor monopsony, during the late 19th and early 20th centuries.

Bituminous Coal and Lignite Mining, Coal, Coal Mining, Research, Labor relations, Labor supply, Labor force, Coal industry, Monopsonies, Employee turnover

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A test for cross subsidies in local telephone rates: do business customers subsidize residential customers?

Article Abstract:

A study was conducted to test possible cross subsidies in local telephone rates. The study follows changes which may lead to profitable entry opportunities in local telecommunications markets. A set of sufficient cross subsidy conditions which disregard stand-alone cost were tested. Results show that business customers subsidize residential customers at 65% of suburban central offices. The sufficient conditions do not support subsidization for an inverse relationship.

Analysis, Telephone, Telephony, Telecommunications, Subsidies, Telecommunication

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Coal rates and revenue adequacy in a quasi-regulated rail industry

Article Abstract:

A study was done to evaluate captive coal shipper equitable rates and rail industry competitive return rates. Panel data employing a translog cost function of Class I railroads for 1974-1986 were used. Large returns to scale generate rising coal rates which are unacceptable when shippers shoulder the total revenue burdens. This revenue burden remains even with noncoal contributions to overhead expenses.

Railroads, Railroad rates, Coal-carrying vessels

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