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41.
We examine whether the size distribution and the growth process of the world’s largest cities follow Zipf’s law and Gibrat’s law. The parametric results of the size distribution analysis reject Zipf’s law for all sample sizes and also show the Zipf exponent systematically declines as the sample size increases. The growth process analysis confirms Gibrat’s law and yields a local Zipf exponent of one for cities with a normalized population less than 0.53%, which includes about 95% of the total observations. The deviations from Zipf’s law occur at the extreme upper tail and are likely a result of restricted mobility of population across countries. However, given that Gibrat’s law holds, we can expect the size distribution to converge to Zipf’s law with a decline in the barriers to immigration. 相似文献
42.
Melissa Legg Melissa K. Hyde Suzanne K. Chambers Shu-Kay Ng Paul Scuffham Kevin Stein Jeff Dunn 《International Journal of Nonprofit & Voluntary Sector Marketing》2022,27(1):e1707
Special charity events are an important source of revenue for non-profit organisations in cancer control yet volunteering is declining and turnover is high. Experiences at cause-related events may influence retention, particularly emotions connected to the cause and ceremonies which honour cancer survivors and remember loved ones. We explore the degree to which emotions associated with cause-related volunteering and collective action in the literature are felt in response to Relay For Life and what emotions predict three indicators of retention: intention to return for future events, satisfaction with volunteering, and organisational commitment. Volunteers (n = 410) completed a cross-sectional survey at Relay For Life events in Queensland, Australia. Multiple regression analyses examined whether emotions associated with events predicted each indicator of retention, adjusting for number of years spent volunteering for events. Sixty-two percent reported an intention to return the following year. The most commonly reported event-related emotions were hope, pride, and empathy (62–69%). Intention to return, satisfaction, and commitment were each significantly predicted by hope and pride. The findings suggest special charity events in cancer control could retain volunteers by fostering pride and hope (e.g., for a cancer free future); however, future prospective research which examines the mechanisms of these relationships is warranted. 相似文献
43.
The financial press suggests that information is commonly leaked prior to analyst recommendations. We examine the impact that three regulatory actions (Regulation Fair Disclosure, Global Analysts Research Settlement, and the legal case against Galleon Group) have on information leakage prior to analyst recommendations. We find that all three regulatory actions have significantly reduced the leakage of information prior to analyst recommendations, even after controlling for several characteristics that explain the variation in information leakage. Our results are robust when applying an alternative method of measuring information leakage, and when forming various samples of analyst recommendations based on different criteria. 相似文献
44.
This paper uses data on wage and salary workers in Australia in 1993 to examine the relation between computer knowledge and earnings. A unique feature of the data set that is used is detailed information on the types and levels of computer skills possessed by individual workers. The main objectives of the study are to contribute to understanding the magnitude and sources of the relation between computer knowledge and earnings. Similar to existing research it is found that there is a large and significant return to computer knowledge, but that the magnitude of the return is substantially reduced in regressions that include detailed occupation controls. Using the detailed information on workers’ computer skills the main finding is that earnings are significantly positively related to the number of types of skills and average level of skills possessed by a worker. 相似文献
45.
Matthew Aaron Richmond Jeff Garmany 《International journal of urban and regional research》2016,40(3):621-639
This article considers processes of urban development within the context of mega‐event preparations in Rio de Janeiro. We begin with a brief overview of these development processes, highlighting their connections to political and economic change in recent years. Proponents of these mega‐event‐led initiatives argue that Rio is undergoing a period of inclusive growth and integration: a perspective we call here a ‘post‐Third‐World city' narrative of urban renewal. Critics, however, contend that urban officials are harnessing mega‐events (e.g. the 2014 World Cup and the 2016 Olympic Games) to push forward a neoliberal agenda of socially unjust policies benefiting the interests of capital and marginalizing the city's poor and especially its favelas (i.e. the ‘city‐of‐exception' thesis). In this article we explore the insights of these two perspectives and consider why they have grown popular in recent years. Though we side generally with the city‐of‐exception thesis, we argue that important geographic and historical particularities must also be accounted for. Without carefully situating analytical perspectives empirically—in particular, cases in which theoretical models are drawn from European and North American contexts—urban researchers risk concealing more than they reveal in analyses of rapidly developing countries like Brazil. 相似文献
46.
The impact of trust and contract on innovation performance: The moderating role of environmental uncertainty 总被引:1,自引:0,他引:1
Longwei Wang Jeff Hoi Yan Yeung Min Zhang 《International Journal of Production Economics》2011,134(1):114-122
Research into two important control mechanisms for managing the supply chain relationship - contracts and trust - is on the rise. However, our understanding of how they influence innovation in a firm remains rather unclear. Thus, the primary objective of this study is to examine the individual and interactive effects of contracts and trust on firms' innovation performance and the contingent effects of environmental uncertainty on those relationships in China. The empirical results from a survey of Chinese manufacturing firms indicate that there is a positive relationship between trust and firms' innovation performance, an inverted U-shaped relationship between the use of contracts and firms' innovation performance, and that contracts and trust are substitutes. Moreover, we find that environmental uncertainty enhances the effects of trust, but does not influence the impact of contracts on innovation performance. 相似文献
47.
Materialism, status signaling, and product satisfaction 总被引:1,自引:0,他引:1
The consumer satisfaction literature has not, for the mos part, integrated individual values into the product evaluation process.
Yet a comprehensive understanding of consumer satisfaction can best be attained by including both consumer and product factors.
To demonstrate the usefulness of including individual values, this research focuses on one consumer value, namely, materialism.
The authors empirically explore how this individual value is linked to consumers’ evaluations of products they have purchased.
Using surveys, the authors collected data from a sample of college students (n=211) and a sample of adults (n=270). Across these two studies, using divergent samples and products, they find consistent evidence that materialism is negatively
related to product satisfaction in product categories with high potential for status signaling, but unrelated to product satisfaction
in product categories with lower potential for status signaling. The consumption goals that produce these product evaluations
are empirically addressed
Jeff Wang (jianfeng76@yahoo.com; PhD, City University of Hong Kong) is an assistant professor of marketing in the Faculty of Business
at the City University of Hong Kong. This work was conducted when he was a doctoral student of marketing in the Eller College
of Management at the University of Arizona. His research interests include social networks and consumer behavior, consumer
satisfaction and well-being, materialism and consumption meanings, and consumer interests and public policy issues. His dissertation
studies credit card debt as a socially embedded phenomenon and investigates how consumers leverage their interpersonal ties
as they accumulate and repay their debt.
Melanie Wallendorf (mwallendorf@eller.arizona.edu) is Soldwedel Professor of Marketing in the Eller College of Management at the University
of Arizona. She holds an MS in sociology and a PhD in marketing from the University of Pittsburgh. Her articles on the sociocultural
aspects of consumption have been published in theJournal of Consumer Research, Journal of Marketing Research, Advertising and Society Review, Addiction, Journal of Macromarketing, andAmerican Behavioral Scientist, among others. Her coauthored article on “The Sacred and Profane in Consumer Behavior” won theJournal of Consumer Research Best Article Award in 1992. Her research has been featured in theWall Street Journal, The Washington Post, The New York Times, American Demographics, andFortune, and has been funded by the Marketing Science Institute, the Arizona Disease Control Research Commission, and the Office
of Earth Science at NASA. 相似文献
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