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61.
Mixtures of distributions are a common modelling tool for durations of social phenomena, especially when the population is believed to be heterogeneous. We discuss heterogeneity patterns which can be captured by various mixing distributions in continuous and discrete time. Particular attention is given to recidivism data which Kaplan modeled by beta-mixtures of geometric distributions. We also investigate the dynamics of heterogeneity, measured via the variance of the mixing distribution, over the duration. It is shown that not all mixture models display decreasing heterogeneity over time. 相似文献
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63.
Given the increasing emphasis on online consumption in our digital era, the current study aimed to explore the avatar–self relationship in association with the concept of product attachment. Through constructing their own avatars and selecting certain virtual possessions for them, participants in the sample were able to represent different elements of their identities to be manifested in their embodied virtual presence. Certain attributes and emotions characterizing both the real as well as the virtual existence of participants appeared to exert important influences. Additional gender differences emerged, in that males were more likely to represent their possible and hidden self‐aspects, and focus on the functional meaning of virtual products, while females were more likely to reveal their ideal selves, and attach symbolic meaning to their virtual possessions. For female participants, the role of experimentation emerged as an important construct, with their avatars often reflecting upon their ambivalence toward perceived social norms and societal expectations. Implications for scholars and practitioners are discussed. 相似文献
64.
New partial‐equilibrium forms of the Trade Restrictiveness Index and the Mercantilist Trade Restrictiveness Index have recently been used by the World Bank and others. In this paper we examine the bias in the partial‐equilibrium forms due to the neglect of general‐equilibrium effects. We propose “semi‐general‐equilibrium” measures that capture those general‐equilibrium effects due to vertical input–output relations without the need for a computable general‐equilibrium model. These measures also incorporate nontariff measures. Australian data are used to compute the semi‐general‐equilibrium measures. These estimates indicate that the partial‐equilibrium forms generally underestimate the true value of the indices, and by a large margin in some cases. 相似文献
65.
Peter C. Brinckerhoff 《International Journal of Nonprofit & Voluntary Sector Marketing》1997,2(2):168-175
Marketing is a process, one with discrete and identifiable steps. This is true for both for-profit and nonprofit organisations. However, many nonprofits are told what services or products they will provide, thus skipping the crucial first steps in the marketing process. This paper lays out a classical marketing cycle and shows its applications for nonprofit and voluntary organisations. Several examples are discussed. 相似文献
66.
67.
Yuriy Gorodnichenko Klara Sabirianova Peter Dmitriy Stolyarov 《Review of Economic Dynamics》2010,13(1):209-237
We construct key household and individual economic variables using a panel micro data set from the Russia Longitudinal Monitoring Survey (RLMS) for 1994–2005. We analyze cross-sectional income and consumption inequality trends and find that inequality decreased during the 2000–2005 economic recovery. The decrease appears to be driven by falling volatility of transitory income shocks. The response of consumption to permanent and transitory income shocks becomes weaker later in the sample, consistent with greater self-insurance against permanent shocks and greater smoothing of transitory shocks. Finally, expenditure and income inequality in Russia are not far apart. 相似文献
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The study explores differences between two measurement concepts of worker flows widely used in the literature referred to as the turnover and reallocation concepts. It is found that measuring worker flows by the turnover concept leads to substantially (about 5% of total employment) higher worker flow estimates and slightly increases age, size and industry group effects on firm level worker flows as well as differences between growing and declining firms relative to the reallocation concept. 相似文献
70.
Peter Hoey 《新经济》2011,(2):54-55
如果只是表现欠佳,许多董事会没有轻易地更换公司领袖。尽管各个产业的销售增长都十分疲软,在2010年的前9个月里,列入标准普尔500指数的公司当中还是只有34家任命了新的常任首席执行官。从高层更迭的速度来说,这已经是自2004年以来的最低水平了。正是在2004年,SpencerStuart猎头公司才开始跟踪这方面的数据。 相似文献