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41.
Emmanuel Guerre Isabelle Perrigne Quang Vuong 《Econometrica : journal of the Econometric Society》2000,68(3):525-574
This paper proposes a general approach and a computationally convenient estimation procedure for the structural analysis of auction data. Considering first‐price sealed‐bid auction models within the independent private value paradigm, we show that the underlying distribution of bidders' private values is identified from observed bids and the number of actual bidders without any parametric assumptions. Using the theory of minimax, we establish the best rate of uniform convergence at which the latent density of private values can be estimated nonparametrically from available data. We then propose a two‐step kernel‐based estimator that converges at the optimal rate. 相似文献
42.
43.
Catherine Boudreault Isabelle Giroux Christian Jacques Annie Goulet Hélène Simoneau Robert Ladouceur 《Journal of gambling studies / co-sponsored by the National Council on Problem Gambling and Institute for the Study of Gambling and Commercial Gaming》2018,34(2):561-580
Available evidence suggests that self-help treatments may reduce problem gambling severity but inconsistencies of results across clinical trials leave the extent of their benefits unclear. Moreover, no self-help treatment has yet been validated within a French Canadian setting. The current study therefore assesses the efficacy of a French language self-help treatment including three motivational telephone interviews spread over an 11-week period and a cognitive-behavioral self-help workbook. At-risk and pathological gamblers were randomly assigned to the treatment group (n = 31) or the waiting list (n = 31). Relative to the waiting list, the treatment group showed a statistically significant reduction in the number of DSM-5 gambling disorder criteria met, gambling habits, and gambling consequences at Week 11. Perceived self-efficacy and life satisfaction also significantly improved after 11 weeks for the treatment group, but not for the waiting list group. At Week 11, 13% of participants had dropped out of the study. All significant changes reported for the treatment group were maintained throughout 1, 6 and 12-month follow-ups. Results support the efficacy of the self-help treatment to reduce problem gambling severity, gambling behaviour and to improve overall functioning among a sample of French Canadian problem gamblers over short, medium and long term. Findings from this study lend support to the appropriateness of self-help treatments for problem gamblers and help clarify inconsistencies found in the literature. The low dropout rate is discussed with respect to the advantages of the self-help format. Clinical and methodological implications of the results are put forth. 相似文献
44.
Isabelle Hesse 《Journal for Cultural Research》2017,21(2):190-203
Since the Israeli disengagement from Gaza in 2005, the subsequent siege, and Israel’s military operations in the Gaza Strip, including ‘Operation Cast Lead’ in 2008/2009 and ‘Operation Protective Edge’ in 2014, it has become difficult to convey the normality of life in Gaza, a normality that is often elusive in a situation that is increasingly defined by the accelerated and technological violence of dromocolonisation, at the same time that it is marked by what Rob Nixon has termed ‘slow violence.’ To make these forms of violence visible and apprehensible, recent short fiction from Gaza has turned to poetic realism and the use of the sensory experience to represent life under siege. Contrary to visceral realism, which promotes a focus on the body as a site of victimhood and suffering, poetic realism allows the short story writers discussed in this article to reclaim agency and to define a Gazan identity that resists the subjection and subjectification of human rights discourses and of the Anglophone media by focusing both on the ordinariness and the extraordinariness of living in Gaza in the twenty-first century. 相似文献
45.
Neda Bebiroglu Jolanda van der Noll Isabelle Roskam 《Journal of Family Communication》2017,17(3):288-300
Because Western societies are becoming increasingly religiously diverse, the sociocultural context in which young adolescents currently grow up differs from that of their parents. This raises the question to what extent adolescents are interested in communicating with their parents about religion. In a cross-sectional study of 498 Belgian adolescents ages 12–18-years (mean age = 14.94, SD = 1.34), we examined how adolescent interest in communicating with parents about religion was related to the link between parental religious socialization messages and adolescent religious out-group attitudes. Testing two models, we aimed to understand whether (a) adolescent interest in communicating with parents about religion mediated the link between parental religious socialization and adolescent religious out-group attitudes or (b) parental religious socialization mediated the link between adolescent interest in communicating with parents about religion and adolescent religious out-group attitudes. Results revealed a dynamic interplay between study variables, and highlighted the importance of considering adolescent interest in communicating with parents about religion. 相似文献
46.
This paper examines processes of habit reshuffling and change in different contexts of household formation, looking specifically at habits regarding eating and commensality. It is based on a study of 14 couples, each with one English and one French partner, half of whom live in France, half in England. We examine the interplay between partners, their determination to eat together as a couple, and the various ‘orders’ associated with their commensal pact (diets, routines, extra‐marital commensality), both when they start as couples and as parents of young children. We draw on the specificity of cross‐national couple experience to cast light on processes of adjustment – to one another, and to the new country of residence for the migrant partner. In particular, we explore the potential of notions of ‘split’ and ‘solid’ ‘patrimonies of incorporated habits’, ‘re‐shuffling’ of habits and dispositions, and ‘habit memory’, to characterize the dynamics of habits at play in each of the orders under scrutiny. Overall, the paper contributes to the analysis of habit as the ‘stuff’ of orders of everyday life. 相似文献
47.
The global economic crisis of 2007–2008 has pushed many advanced economies into a liquidity trap. We design a laboratory experiment on the effectiveness of policy measures to avoid expectation‐driven liquidity traps. Monetary policy alone is not sufficient to avoid liquidity traps, even if it preventively cuts the interest rate when inflation falls below a threshold. However, monetary policy augmented with a fiscal switching rule succeeds in escaping liquidity trap episodes. We measure the effect of fiscal policy on expectations, and report larger‐than‐unity fiscal multipliers at the zero lower bound. Experimental results in different treatments are well explained by adaptive learning. (JEL E70, C92, D83, D84, E52, E62) 相似文献
48.
Aubertin-Leheudre M Lord C Labonté M Khalil A Dionne IJ 《Journal of women & aging》2008,20(3-4):297-308
It is known that obesity is inversely correlated with fracture risk. It remains unclear if a low muscle mass (sarcopenia) modulates the relationship between obesity and bone mass density. Twenty-seven obese women were matched for total fat mass (+/- 0.5 kg) and age (+/- 4 yrs) and divided in 3 equal groups: class II sarcopenic, class I sarcopenic, and nonsarcopenic. Body composition (DXA) and dietary intake were measured. Our results suggest that obesity may offer some protection against osteoporosis, even in sarcopenic postmenopausal women. However, further studies are needed to examine the actual implication of these results on a clinical standpoint. 相似文献
49.
Isabelle Recotillet 《LABOUR》2007,21(3):473-502
Abstract. In this paper, we address the question of the early careers of French PhD graduates in science and engineering sciences in 1996. Post‐doctoral training was initially developed for PhD graduates wishing to embark on a career in the public sector. However, a large proportion of post‐doctorate graduates turn to the private sector, and in particular to occupations that do not involve research. The question we raise is that of the wage premium on post‐doctoral training. To control for selection bias arising in the case where unobservable elements are correlated between participation and wages, we first estimate a treatment effect model. The main finding is that when selection bias is not controlled for, post‐doctoral participation increases earnings; however, when selection bias is controlled for, the participation in a post‐doctoral programme has no positive effect. With regards to this finding we show that post‐doctoral programmes play much more the role of a signal in the first stage of a career. This finding is also reinforced when we use a bivariate selection rule to control for the endogenous nature of having been recruited in the private sector. 相似文献
50.
Vincent Chauvet Barthélemy Chollet Giuseppe Soda Isabelle HuaultAuthor vitae 《European Management Journal》2011,29(5):321-334
Although research on social networks has gained significant influence in the academic world, several factors seem to have lowered its echo in the business world. It is still unclear how this fast-growing stream of research has translated into solid implications for managerial action and decision making. Based on a review of recent research, this paper attempts to provide evidence that network research does have practical relevance. We focus on five areas where network research has introduced new angles and renewed the understanding of how organizations should tackle management issues. We also suggest directions for future research, with the same objective of placing the emphasis on strengthening the contribution of the approach to management practices. 相似文献