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61.
We consider a model where two adversaries can spend resources in acquiring public information about the unknown state of the world in order to influence the choice of a decision maker. We characterize the sampling strategies of the adversaries in the equilibrium of the game. We show that as the cost of information acquisition for one adversary increases, that person collects less evidence whereas the other adversary collects more evidence. We then test the results in a controlled laboratory setting. The behavior of subjects is close to the theoretical predictions. Mistakes are relatively infrequent (15%). They occur in both directions, with a higher rate of over-sampling (39%) than under-sampling (8%). The main difference with the theory is the smooth decline in sampling around the theoretical equilibrium. Comparative statics are also consistent with the theory, with adversaries sampling more when their own cost is low and when the other adversary??s cost is high. Finally, there is little evidence of learning over the 40 matches of the experiment.  相似文献   
62.
Discrimination against girls is well-documented, especially in Asia. We show that women try to level the playing field for their daughters by taking on debt. But wealth asymmetry between mothers and fathers perpetuates gender inequality across generations.  相似文献   
63.
We use the Marimon and Zilibotti (Econ J 109: 266–291, 1999) circle model and we endogenize the choice of the degree of specialization of jobs. We show that an increase in unemployment benefits not only reduces the mismatch of talents (as in Marimon and Zilibotti), but it also raises the degree of specialization of jobs. This reinforces the productivity enhancing effects of unemployment benefits.   相似文献   
64.
Over the past decade, the structural analysis of auction data has attracted considerable attention. The structural approach relies on the hypothesis that observed bids are the equilibrium bids of the gametheoretic auction model under consideration. In this paper, we survey econometric methods that have been recently developed for estimating first-price auction models within the private value paradigm. In particular, we focus on two important issues. A first question is to know whether the structural elements of the model, mainly the underlying latent distribution of bidders private values, are identifiable from observations, usually the observed bids. A second issue concerns the estimation of the underlying density. This can be performed through different methods ranging from parametric to nonparametric ones. After a brief review of basic auction models, we first consider the simple first-price auction model with- in the symmetric independent private value paradigm with a nonbinding reserve price. In a second part, more advanced models are considered allowing for a binding reserve price, affiliation among private values, and asymmetry among bidders. The conclusion presents some future lines of research. Depuis une dizaine d'années, I'analyse structurale des mécanismes en jeu dans la conduite des enchères suscite une attention considérable. Cette démarche structurale sefonde sur I'hypothèse selon laquelle les offres observées constituent les offres à l'équilibre d'un modèle d'enchères basé sur la théorie des jeux. Dans le présent exposé, nous pas sons en revue les méthodes économétriques qui ont été mises au point ces derniéres années pour construire des modéles d'enchéres au premier prix dans le cadre du paradigme des valeurs personnelles. Nous nous intéressons en particulier à deux questions importantes: la première est de savoir si les éléments structuraux du modèle, essentiellement la distribution latente sous-jacente des valeurs personnelles des enchérisseurs sont identifiables à partir des observations, c'est-à-dire habituellement les offres observées. La deuxième question concerne l'estimation de la densité sousjacente. Elle peut se faire par différentes méthodes allant des paramétriques au non paramétriques. Après une brève revue des modèles d'enchères de base, nous considérons d'abord le modèle d'enchère, simple au premier prix dans le cadre du paradigme des valeurs personnelles indépendantes symétriques, assorti d'un prix minimum non liant. Dans la seconde partie, nous examinons des modèles plus avancés, autorisant unprix minimum liant, Vaffiliation parmi les valeurs personnelles et I'asymétrie parmi les enchérisseurs. En conclusion, nous proposons quelques avenues de recherches futures.  相似文献   
65.
In this paper, we test whether farmland and developable land prices are governed by the same determinants (mainly urbanization). We estimate here quasi‐identical econometric equations for both agricultural and developable land markets, instead of the conventional approach of adding variables that capture the urban influence. Using data aggregated at the level of the 589 municipalities of a highly urbanized country (Belgium), we found that the same determinants enter these equations, with slight differences in parameter values: land prices decrease with distance to central business district (developable land: –2.7% per km; farmland: –2.5% per km), and increase with the population of the commune as well as with its demographic growth and with the average income of its inhabitants.  相似文献   
66.
During the past decade, Canadian consumers have developed a keen interest in local and organic foods. In response, the Canadian government established standards to regulate their labeling. However, many retail and media outlets offer varying definitions that fit their needs. Consumers utilize this often conflicting information to formulate their understanding of local and organic. The aim of this study was to investigate consumer understanding and perception of local and organic food, especially in regard to production characteristics. The results indicate that local is predominantly defined as decreased miles to transport, whereas organic is defined as food produced without the use of synthetic pesticides. However, a fairly large percentage of consumers perceive inaccurate definitions as being characteristics of local and organic. Furthermore, consumers with accurate definitions of local and organic share a similar consumer profile, while consumers with misguided perceptions do not. We also see that characteristics such as ethnic heritage, personal characteristics, geographic region, and length of stay in Canada not only influence consumer understanding and perception, but also the geographic boundaries associated with local.  相似文献   
67.
For a few years, Gabon has demonstrated increasing signs of its willingness to develop tourism. This has led a growing number of individuals and/or companies to seek opportunities and invest in the inbound tourism sector. Yet Gabon still presents high barriers to tourism development, resulting in major constraints upon tourism firms. This paper focuses on the particular example of incoming tour operators (ITOs); ITOs play a role in tourism distribution but have received little attention in the literature. This study seeks to better understand their profiles as well as their marketing and channel behaviours in the Gabonese fledgling tourism industry. Based on semi-structured interviews held in 2011–2012 with 11 ITOs in Gabon, the study outcomes show that ITO marketing and channel behaviours were rational and growth-oriented and were influenced by company profiles, demand requirements and the position of power of ITOs in the distribution channel. The accessibility, comfort and reliability of products/suppliers stood out as key factors in the upstream or downstream channel behaviours of ITOs (selection of suppliers vs. selection of customers). Most respondents considered vertical integration as an appropriate strategy to improve the supply channel.  相似文献   
68.
利用"城市地区流动大龄男性生殖健康和家庭生活调查"数据,通过与同年龄段已婚男性的对比,探究了性别失衡背景下流动大龄未婚男性的男男性行为。同性性行为发生率受到相关态度、婚姻状况等的显著影响。性别失衡所带来的"婚姻挤压"迫使流动大龄未婚男性"被动失婚",缺乏正常稳定的性伴侣,从而导致男男性行为发生率有增加的可能性;流动大龄未婚男性的男男性行为具有高风险特征,而对于艾滋病、性病知识的缺乏是高风险性行为发生的重要影响因素。  相似文献   
69.
The nonparametric approach Data Envelopment Analysis is used in order to measure individual technical inefficiency. Different models are evaluated using a 1991 FADN data set of French pig farms. Organic nitrogen is considered as a byproduct of animal breeding. Used as plant nutrient, organic manure becomes an input in crop production which is pollutant when excessive amounts enter surface and groundwater. In the latter case, the usual hypothesis of strong disposability of organic nitrogen is refuted because the elimination of pollution is costly. In this paper, we introduce a hypothesis of weak disposability of organic nitrogen and compare the technical efficiency measures obtained with and without this assumption. Then, using the duality between the restricted cost function and the input-output distance function and following Färe and Primont (1995), we derive a shadow price of organic nitrogen which can be compared to the unit cost of different existing manure treatments.  相似文献   
70.
Introducing cross‐gender brand extensions—masculine or feminine brands that extend to the opposite gender—is a growing trend on the marketplace, though not always a successful one. This research examines the effect of consumer multifactorial gender and biological sex on consumers’ evaluation of cross‐gender brand extensions. The influence of gender role attitudes is demonstrated: consumers with traditional gender attitudes are significantly more reluctant to accept these extensions than consumers with more liberal attitudes. Hence the extensions have a negative impact on the subsequent attitude of the former group toward the parent brand, contrary to their effect on more egalitarian consumers. No significant impact of the consumer's biological sex, gender identity, or sexual orientation is identified. The theoretical and managerial implications of these findings for the development of cross‐gender brand extensions are discussed.  相似文献   
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