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141.
This paper examines Call Me Kuchu, a 2012 documentary that profiles a group of activists in Uganda as they respond to the introduction of anti-homosexuality legislation in the Ugandan Parliament, the exposure of members of the LGBT community in the Ugandan publication Rolling Stone, and the death of activist David Kato. Utilizing queer theory, transnational feminism, and critical media studies, the authors provide a close reading of the film's formal elements in relation to the geopolitical context in which the film circulates. They argue for a more reflexive filmmaking praxis as well as significant contextualization of the issues of LGBT identity and human rights claims in relation to post-colonial politics. Ultimately, they offer suggestions for employing transnational filmmaking praxis and engaging with the film as a dynamic artifact of transnational and post-colonial contexts. 相似文献
142.
Market segmentation is a key concept in marketing research. Identification of consumer segments helps in setting up and improving a marketing strategy. Hence, the need is to improve existing methods and to develop new segmentation methods. We introduce two new consumer indicators that can be used as segmentation basis in two-stage methods, the forces and the dfbetas. Both bases express a subject’s effect on the aggregate estimates of the parameters in a conditional logit model. Further, individual-level estimates, obtained by either estimating a conditional logit model for each individual separately with maximum likelihood or by hierarchical Bayes (HB) estimation of a mixed logit choice model, and the respondents’ raw choices are also used as segmentation basis. In the second stage of the methods the bases are classified into segments with cluster analysis or latent class models. All methods are applied to choice data because of the increasing popularity of choice experiments to analyze choice behavior. To verify whether two-stage segmentation methods can compete with a one-stage approach, a latent class choice model is estimated as well. A simulation study reveals the superiority of the two-stage method that clusters the HB estimates and the one-stage latent class choice model. Additionally, very good results are obtained for two-stage latent class cluster analysis of the choices as well as for the two-stage methods clustering the forces, the dfbetas and the choices. 相似文献
143.
In this paper we view bargaining and cooperation as an interaction superimposed on a game in strategic form. A multistage bargaining procedure for N players, the “proposer commitment” procedure, is presented. It is inspired by Nash's two‐player variable‐threat model; a key feature is the commitment to “threats.” We establish links to classical cooperative game theory solutions, such as the Shapley value in the transferable utility case. However, we show that even in standard pure exchange economies, the traditional coalitional function may not be adequate when utilities are not transferable. (JEL: C70, C71, C78, D70) 相似文献
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145.
Keith Hart 《全球网;跨国事务杂志》2003,3(3):417-436
Abstract The author describes his intellectual journey in ten episodes, starting from his upbringing in Manchester and training in Cambridge. After pioneering research in Africa and work as a development advisor, he returned to Manchester as a teacher of social anthropology. Subsequently he spent periods in North America and the Caribbean, before returning to Cambridge for 15 years. He is currently trying to establish himself as a writer in Paris. What follows is neither social science nor autobiography, but a personal account of being in the world in which he tries to move, without discordance, along the whole length of the continuum linking the self to the rest of humanity. The star of the show, however, is Manchester, where his story begins. 相似文献
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147.
Jeffrey D. Hart Chris Koen Fred Lombard 《Journal of the Royal Statistical Society. Series C, Applied statistics》2007,56(5):587-606
Summary. We report the results of a period change analysis of time series observations for 378 pulsating variable stars. The null hypothesis of no trend in expected periods is tested for each of the stars. The tests are non-parametric in that potential trends are estimated by local linear smoothers. Our testing methodology has some novel features. First, the null distribution of a test statistic is defined to be the distribution that results in repeated sampling from a population of stars. This distribution is estimated by means of a bootstrap algorithm that resamples from the collection of 378 stars. Bootstrapping in this way obviates the problem that the conditional sampling distribution of a statistic, given a particular star, may depend on unknown parameters of that star. Another novel feature of our test statistics is that one-sided cross-validation is used to choose the smoothing parameters of the local linear estimators on which they are based. It is shown that doing so results in tests that are tremendously more powerful than analogous tests that are based on the usual version of cross-validation. The positive false discovery rate method of Storey is used to account for the fact that we simultaneously test 378 hypotheses. We ultimately find that 56 of the 378 stars have changes in mean pulsation period that are significant when controlling the positive false discovery rate at the 5% level. 相似文献
148.
Sergiu Hart 《Econometrica : journal of the Econometric Society》2005,73(5):1401-1430
We exhibit a large class of simple rules of behavior, which we call adaptive heuristics, and show that they generate rational behavior in the long run. These adaptive heuristics are based on natural regret measures, and may be viewed as a bridge between rational and behavioral viewpoints. Taken together, the results presented here establish a solid connection between the dynamic approach of adaptive heuristics and the static approach of correlated equilibria. 相似文献
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The problem of optimally choosing the smoothing parameter of a Fourier integral density estimator (FIE) is addressed. A new data-based method of so doing is shown to be related to, but an improvement over, the method of Davis (1981). It is shown that Davis' method does not lead to consistent estimation of certain, principally multimodal, densities. In a simulation study involving the bimodal mixture of two normal densities, the new method is seen to represent a substantial improvement. 相似文献