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81.
Emily P. Hoffman 《The Review of Black Political Economy》1982,11(4):429-439
Conclusions The presence of young children decreases women’s labor supply as shown by the LFPRs for women with young children (which are
always considerably lower than those for women without young children). Also, the number of young children is almost always
negatively related to annual hours of labor supplied (significantly so in half the regressions). Black and white women are
found to have an inelastic labor supply, but with increasing elasticity from 1969 to 1974. There is a statistically significant
difference in the estimated regression coefficients of the labor supply model for black and white married women in 1969 and
1974 in both the arithmetic and logarithmic forms. The husband’s earnings are significantly negatively related to white married
women’s annual hours of work in 1974, while the relationship is not significant for black married women. Crosselasticity terms
show that white married women decrease their annual hours of work in response to an increase in husband’s earnings to a greater
extent than black married women in 1971 and 1974. These results are consistent with the hypothesis that black women do not
rely on their husband’s earnings to as great an extent as white women. 相似文献
82.
This study evaluated consumer behavioural patterns in relation to meat products, with special reference to the African sharptooth catfish, in the Northern Province. Personal interviews were conducted in rural Ga‐Mamphaka and urban Giyani. The major meat type purchased was found to be chicken (71 per cent in the rural and 46 per cent in the urban community). The sharptooth catfish was found to be acceptable to the majority of respondents, both urban (69 per cent) and rural (57 per cent). Most respondents also indicated that they would like to purchase canned catfish. A potential market for catfish would seem to exist at a price competitive with that of chicken. 相似文献
83.
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86.
A Monte Carlo study of the small sample properties of various estimators of the linear regression model with first-order autocorrelated errors. When independent variables are trended, estimators using Ttransformed observations (Prais-Winsten) are much more efficient than those using T–1 (Cochrane–Orcutt). The best of the feasible estimators isiterated Prais-Winsten using a sum-of-squared-error minimizing estimate of the autocorrelation coefficient ?. None of the feasible estimators performs well in hypothesis testing; all seriously underestimate standard errors, making estimated coefficients appear to be much more significant than they actually are. 相似文献
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The value of EEC food aid to Mauritania is assessed. Given such factors as poor record keeping, political instability as a unique import/export situation, the authors conclude that only one of the three commodities supplied under the 1978 EEC programme could be considered cost effective. 相似文献
90.
For many purposes, the economic impact of unions is better measured by the proportion of union wages in total payrolls rather than by the proportion of unionized employees in the overall workforce. We use recently available Current Population Survey data to generate estimates of the former. We also show that published data from the Survey on median union and nonunion wages produce substantially larger estimates of the union 1 nonunion wage differential than figures based on mean wages. Finally, we note that the Bureau of Labor Statistics' Employment Cost Index gives undue weight to the union sector because of its Laspeyres methodology. 相似文献