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Chieh-Yu Hsiao Mark Hansen 《Transportation Research Part E: Logistics and Transportation Review》2011,47(6):1112-1125
This paper develops an air passenger model that deals with city-pair demand generation and demand assignment in a single framework. Using publicly available and regularly collected panel data, the model captures both time series and cross-sectional variation of air travel demand. The empirical analysis finds that pattern of correlations among alternatives can be described by a three-level nested logit model. Fare, frequency, flight time, direct routing, on-time performance, income, and market distance have significantly effects on air demand. Correcting for the problem of endogenous air fares using instrumental variables yields more plausible estimates of price sensitivity and value of time. 相似文献
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Henry O. Pruden Ph.D. F. Kelly Shuptrine Douglas S. Longman 《Journal of the Academy of Marketing Science》1974,2(4):610-619
For the purpose of equipping researchers in marketing with a more sophisticated method to measure alienation in a marketing
context, the authors have constructed and initially tested an alienation from the marketplace index. Alienation is defined
in terms of Melvin Seeman's (1959) five basic variants of alienation: powerlessness, meaninglessness, normlessness, social
isolation, and self-estrangement. After pretesting, two questions per variant of alienation remained as the operational measures
of alienation from the marketplace. These questions focused specifically on marketing phenomenon. Test-retest reliability
was tested with 35 paired observations. Validity was checked with survey data from 140 households. In terms of face or content
validity, the questions met the criterion of “looking as if” they should indicate the corresponding dimensions of alienation.
Correlations between the marketplace alienation items and a measure of general alienation established concurrent validity.
The authors propose that the use of the marketplace alienation index in studies involving those who are affected by our country's
business climate may prove useful. For example, one would hypothesize that increasing alienation from the marketplace would
be associated with support of consumerist goals, or even of additional government legislation to control problems that the
individual feels is uncontrollable by him because of the bigness and indifference of modern day enterprise.
Pepsico, Inc. 相似文献
55.
The relationship between stock returns and volatility in international stock markets 总被引:2,自引:0,他引:2
This study examines the relationship between expected stock returns and volatility in the 12 largest international stock markets during January 1980 to December 2001. Consistent with most previous studies, we find a positive but insignificant relationship during the sample period for the majority of the markets based on parametric EGARCH-M models. However, using a flexible semiparametric specification of conditional variance, we find evidence of a significant negative relationship between expected returns and volatility in 6 out of the 12 markets. The results lend some support to the recent claim [Bekaert, G., Wu, G., 2000. Asymmetric volatility and risk in equity markets. Review of Financial Studies 13, 1–42; Whitelaw, R., 2000. Stock market risk and return: an empirical equilibrium approach. Review of Financial Studies 13, 521–547] that stock market returns are negatively correlated with stock market volatility. 相似文献
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Kelly Greene 《销售与管理》2009,(5):114-115
现年63岁的作家琳达·巴克林(Linda Hale Bucklin)看见自己所在的社区新开了一家“健脑俱乐部”,当场办了张卡。现在,她每周去那里三次,通过电脑学习一个“视觉处理”课程,她觉得这个课程帮助她更快地找到汽车钥匙,并提高了自己的网球技巧。 相似文献
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