Detecting discrimination: analyzing racial disparities in public contracting

Article Abstract:

Four statistical methods are applied to a set of synthetic data to evaluate their effectiveness in validating estimates of racial disparity in the allocation of public contracts in the presence of relevant control variables. The ordinary least square (OLS) regression, tobit and logit (TAL) analysis and a multivariate procedure for comparing expected and observed outcomes are used to remove spurious disparities. The TAL model provide more accurate and sensitive estimates than OLS regression. Analysis of expected and observed outcomes produces more sensitive probability estimates than the TAL models.

Evaluation, Demographic aspects, Surveys, Statistics, Statistics (Data), Race discrimination, Public contracts, Government contracts

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Information availability and market power in export competition: the case of the regional health care markets

Article Abstract:

The spatial availability of information and market power on export competition are analyzed using a spatial interaction model that operates within a competing central place framework. Also, the spatial-economic model of export competition is employed to examine health care services and hospital competition for patients and revenue in various market sectors. Medical health exports from the hospital markets in Seattle, WA, to markets in the Pacific Northwest are investigated based on 1992-93 data from the Dartmouth Atlas of Health Care.

Health Care, Research, Models, Competition (Economics), Health care industry, International trade, Medical care, Exports

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Cognitive abilities and self-rated health: Is there a relationship? Is it growing? Does it explain disparities?

Article Abstract:

Cognitive abilities are a key risk factor in social epidemiology. The relationship between verbal ability and self-rated health is, itself, very sensitive to controls of socioeconomic status, and verbal ability cannot account for racial differences in self rated health.

Public Health Care, Administration of Public Health Programs, Health Programs-Total Govt, Administration of Human Resource Programs, Health Programs, Analysis, Public health, Social economics, Socioeconomics, Health education

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