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排序方式: 共有74条查询结果,搜索用时 15 毫秒
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This article reports the formulation and results of a multiple equation econometric model to relate retail sales by brand and package size to retail promotional variables for a branded, frequently purchased grocery product. Primary emphasis is placed on the formulation of the model as opposed to the results obtained from its use. 相似文献
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Discussions of reflexivity tend to ignore issues of practice, and those addressing practice are likely to presume a sole researcher. In this paper, we respond to the need for attention to reflexive practice in qualitative research teams. Drawing on our experience of working ‘separately together’, we identify reflexivity as an embedded feature of team-based research. We discuss how reflexivity can be used as a collective interpretive resource in the construction of the research subject/object, and we highlight reflexive possibilities unique to team-based research. We include in the article a presentation of the orientations and research practices that supported our reflexive teamwork. 相似文献
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FRANK E. JONES 《Revue canadienne de sociologie》1981,18(3):393-405
Cette analyse des données d'une étude sur la mobilité canadienne révèle que le niveau d'éducation atteint par les immigrants qui sont arrivés au Canada à temps pour suivre les cours d'école primaire, semble être plus élevé que le niveau atteint par ceux qui sont arrivés avant ou après cet âge. Toutefois, comme la plupart des différences entre les catégories d'âge à L'arrivée ne sont guère significatives, statistiquement parlant, et comme les valeurs des mesures concises de la relation globale sont peu élevées, il y a lieu de douter si L'âge à L'arrivée exerce en soi un effet direct sur le niveau d'éducation atteint. Ces résultats sont en opposition avec ceux publiés par Inbar et donnent très peu d'appui à celui-ci, dont les conclusions font croire que L'âge à L'arrivée entraîne des conséquences différentielles pour L'acculturation. Analysis of Canadian Mobility Study data reveals that educational attainment tends to be higher among those who immigrated to Canada during grade school years than among those who immigrated earlier or later. However, as most differences between age-at-immigration categories are not statistically significant and as values for summary measures of the overall relationship are low, there is reason to doubt that age at immigration, in itself, exercises a direct effect on educational attainment. These findings contrast sharply with those reported by Inbar and provide little support for his conclusion that age at immigration has differential consequences for acculturation. 相似文献
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Summary This paper presents the results of a study of the views of across-section of young people in the 1415 year old agegroup. It indicates how personal views and attitudes can beeffective in increasing or reducing the impact of the normalproblems of adolescence. The vital importance of a healthy relationshipwith parents is emphasised by the results. 相似文献
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Summary The key functions of residential programmes for children andyouth irrespective of their location in the health care, education,social welfare or criminal justice system are identified inthis paper. The issues of mandate for and status of those servicesis addressed. Finally, a series of propositions are offeredwhich seek to show how those factors influence the social positionand public credibility accorded to those important componentsof the group care field. 相似文献
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CIGARETTE TAXES AND THE MASTER SETTLEMENT AGREEMENT 总被引:1,自引:0,他引:1
In 1998, 46 states and the four major tobacco companies entered into the Master Settlement Agreement (MSA), which stipulated that the tobacco companies pay the states $206 billion over the next several years. Mean cigarette excise taxes rose substantially, nearly 90%, between 1998 and 2002. The goal of our empirical analysis is to assess whether the changes in cigarette excise taxes can be attributed to litigation brought by the states and the resulting settlements. Using a panel data difference-in-difference approach, the evidence suggests that litigation increased excise taxes: state cigarette excise taxes were approximately $0.10 higher post-MSA. (JEL H2, I1 ) 相似文献
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TESTING FOR EFFICIENCY IN LOTTO MARKETS 总被引:2,自引:0,他引:2
State-sponsored lotto games, because they are pari-mutuel and because jackpots with no winner are rolled over into the next drawing, present an excellent opportunity to test for market efficiency. Using data from Massachusetts, Kentucky, and Ohio, we investigate bettors' responses and test for weak-form efficiency. Lotto bets do not have positive net expected returns, thus weak-form efficiency exists. To evaluate strong-form efficiency we utilize the concept of a rational expectations equilibrium. We find that in general lotto bettors' decisions to play generate a level of sales that conform to their original forecasts of expected value. 相似文献
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THE SUPPLY OF CHILDREN'S TIME TO DISABLED ELDERLY PARENTS 总被引:3,自引:0,他引:3
This study develops and tests a model of supply of children's time to disabled elderly parents, using data from the National Long-Term Care Survey. The model, which assumes strategic behavior among relatives, offers predictions about effects of changes in the price of paid personal care, parent's wealth, kid's wage rates, public in-kind subsidies of personal care, and parent's relative bargaining power on care provided by children. Although several statistically significant relationships are obtained, the evidence does not generally indicate that children's provision of care to parents is guided by a strategic bequest motive. 相似文献