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摘要：
This paper presents two applications of empirical microeconomics based on choice theoretic optimization principles. The first topic explores the determinants of subsistence time allocation in a utility theoretic model of household production. The second topic examines firm pricing behavior in a deregulated, but concentrated industry setting. The first part of this applied microeconomic analysis estimates the subsistence time versus wage labor time allocations of Alaska's North Slope inhabitants using ordered probit based on a household production model. The explanatory variables measure labor supply, demographic, and cultural influences. The major findings are as follows. First parameter estimates differ statistically and substantially between Inupiat versus non-Inupiat residents, implying that optimal natural resource management decisions may vary with the ethnicity of the resource owners. Second, marital status, age, gender, and participation in generalized gift giving and receiving are important determinants of subsistence time allocations. Third, time spent in wage labor appears to be exogenous to the subsistence time allocation decision, indicating that the time allocation process is recursive. Fourth, we find an inverse relationship between wage labor time and subsistence participation. This means that reductions in wage employment opportunities lead to increased subsistence activity. For the North Slope, this implies that Prudhoe oil depletion will result in an increase in the use of subsistence natural resources. The second part of this study turns from the individual behavior to firm behavior. During the 1980's, researchers have noted a trend towards increased concentration in the general freight, less-than-truckload (LTL) portion of the U.S. motor carrier industry. The purpose of this study is to employ new empirical industrial organization (NEIO) techniques to determine whether the more concentrated post-1980, LTL motor carrier industry is exerting anti-c
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