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91.
The average salary differential between male and female academicsin Britain in 1992 exceeded 15%. Using individual data coveringall full-time academic staff in the old universities for theyears 1975, 1985, and 1992, we find that a significant partof the differential is explained by the fact that women areunder-represented in senior ranks. However, even after controllingfor rank, age, tenure, and faculty, a gender effect in the remunerationof British academics remains. Moreover, neither the averagesalary-gap nor that part attributable to an independent gendereffect have fallen since 1975. 相似文献
92.
MARKET STRUCTURE, PROGRAM DIVERSITY, AND RADIO AUDIENCE SIZE 总被引:1,自引:0,他引:1
This paper examines the relationships among radio station listenership, the number of program formats, and the number of stations. These relationships are statistically significant and consistent with theory, but the interrelationships are numerically small. The results imply that proposals by the federal Communications Commission and Congress to relax ownership restrictions must induce substantial changes in station numbers in order to noticeably increase programming diversity. Merely modest changes in these numbers will have only small diversity effects. The paper's results also imply that merely mandating the number of formats in a market may not be in the interests of listeners. 相似文献
93.
ELISABETH SCHAFER ROBERT B. SCHAFER GORDON L. BULTENA ERIC O. HOIBERG 《International Journal of Consumer Studies》1993,17(2):137-144
To examine consumer concern about food safety, identify characteristics of those most concerned, and determine behavioural responses to concerns, we used mailed questionnaires to survey a random sample of 630 adults. Eighty-eight percent of respondents were very or somewhat concerned about safety of the food supply. Subjects perceived greatest likelihood of harm from chemicals and lowest likelihood of harm from bacterial contamination. Relative to other concerns about food such as cost or taste, food safety ranked low. Because the concern was across all ages, education levels, genders, and places of residence, we were unable to define a type of person most likely to be concerned about food safety. Less than half the subjects had changed dietary behaviour in response to food safety concerns. Foods reduced or eliminated from the diet most often were meats, fruits, eggs and vegetables. The findings indicate that consumers need risk assessment education and help in making food choices that do not compromise diet quality. 相似文献
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This paper develops and tests a nonlinear utility-based econometric model of the temporal behavior of aggregate stock price movements based on a constant relative risk aversion utility function and an observable information set consisting of aggregate consumption, aggregate dividends, and past stock prices. The stochastic process derived from time-series analyses of consumption and dividends measured over annual intervals is used to derive and empirically test a closed-form solution for stock-price movements. The endogenization of discount rate changes in the utility-based model is shown to be more consistent with aggregate stock price movements over a twenty-year holdout period than constant discount rate models. The model is also used to estimate the representative investor's relative risk aversion. The estimate of 4.22 is consistent with that used by Grossman and Shiller in their perfect foresight model and is significantly higher than the relative risk aversion of 1.0 implied by logarithmic utility. 相似文献
99.
EFFECTS OF PRICE AND AVAILABILITY ON ABORTION DEMAND 总被引:1,自引:0,他引:1
Over 1.5 million legal abortions were performed in the United States in 1988. State-level regulation affecting the price or availability of abortion services may expand given recent Supreme Court decisions. This paper uses state-level data pooled over time to estimate abortion demand. Using single cross-sections of state data, past studies find abortion demand per 1,000 pregnancies to be price inelastic and find income elasticity to be positive and significant. The analysis here shows that price elasticity estimates in a single cross-section are sensitive to the choice of state characteristics used to control for "abortion attitudes" within a state. Ajixed-efects model design with pooled data gives more robust abortion demand price elasticity estimates. The results suggest that any new state regulations that increase the costs of obtaining abortions will reduce abortion use and increase unintended fertility . 相似文献
100.
We compare three forms of common stock repurchases. Dutch-auction self-tender offers and open-market share repurchase programs are weaker signals of stock undervaluation than fixed-price self-tender offers. The price increase from buyback announcements is greater when insider wealth is at risk, greater following negative net-of-market stock returns, and unrelated to prior market returns. Buyback announcement returns are also increasing in the fraction of shares sought, which is consistent with both signalling and an upward-sloping supply curve for stock. 相似文献