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131.
Fabio Canova 《Econometric Reviews》2013,32(2-4):187-192
The paper that An and Schorfheide have written is an excellent piece of work and will become a useful reference for teaching and consultation purposes. The paper discusses in an articulate and convincing manner almost everything that one could think of covering in such a review. This makes the task of the commentator difficult. Nevertheless, I will attempt to add few insights on three issues which, in my opinion, play an important role in applied work and in the interpretation of the estimation result. In particular, I will discuss a) the sensitivity of posterior distributions to prior spreads; b) the effects of model misspecification and an approach to model respecification; c) parameter identification and its consequences for posterior inference. 相似文献
132.
Marco Riani Anthony C. Atkinson Giulio Fanti Fabio Crosilla 《Statistics and Computing》2013,23(4):551-561
The twelve results from the 1988 radio carbon dating of the Shroud of Turin show surprising heterogeneity. We try to explain this lack of homogeneity by regression on spatial coordinates. However, although the locations of the samples sent to the three laboratories involved are known, the locations of the 12 subsamples within these samples are not. We consider all 387,072 plausible spatial allocations and analyse the resulting distributions of statistics. Plots of robust regression residuals from the forward search indicate that some sets of allocations are implausible. We establish the existence of a trend in the results and suggest how better experimental design would have enabled stronger conclusions to have been drawn from this multi-centre experiment. 相似文献
133.
Itzhak Gilboa Fabio Maccheroni Massimo Marinacci David Schmeidler 《Econometrica : journal of the Econometric Society》2010,78(2):755-770
A decision maker (DM) is characterized by two binary relations. The first reflects choices that are rational in an “objective” sense: the DM can convince others that she is right in making them. The second relation models choices that are rational in a “subjective” sense: the DM cannot be convinced that she is wrong in making them. In the context of decision under uncertainty, we propose axioms that the two notions of rationality might satisfy. These axioms allow a joint representation by a single set of prior probabilities and a single utility index. It is “objectively rational” to choose f in the presence of g if and only if the expected utility of f is at least as high as that of g given each and every prior in the set. It is “subjectively rational” to choose f rather than g if and only if the minimal expected utility of f (with respect to all priors in the set) is at least as high as that of g. In other words, the objective and subjective rationality relations admit, respectively, a representation à la Bewley (2002) and à la Gilboa and Schmeidler (1989). Our results thus provide a bridge between these two classic models, as well as a novel foundation for the latter. 相似文献
134.
This theoretical essay looks at the ahistorical elements of nostalgia as found in popular culture, with special emphasis on discussion within the Frankfurt School offered as alternative explanations. It is argued that the anti-critical thrust of nostalgia masks the crises of monopoly capitalism and redirects the conflicts in manageable channels. This conclusion is reached in light of analyses by Marcuse, Horkheimer, Habermas, Adorno and other critical theorists who have considered these issues.Revised version of paper presented at the annual meeting of the Southwestern Social Science Association, Houston, Texas (April, 1978). 相似文献
135.
Fabio M. Bertranou Wouter van Ginneken Carmen Solorio 《International social security review》2004,57(4):3-18
In many Latin American countries, tax-financed pensions (TFPs) have expanded, mainly resulting from growing informalization of employment and stagnating or declining pension insurance coverage. In the five countries examined in this article, TFPs have generally been effective in reducing poverty and indigence. In Brazil rural social assistance pensions cut the incidence of destitution among poor older people by 95 per cent. In Chile TFPs considerably improved their poverty reduction effectiveness between 1990 and 2000. Tax-financed pensions have therefore been seen as an instrument to supplement contributory pension coverage and boost overall social security coverage. A key challenge is to increase pension insurance coverage through existing statutory pension insurance or special contributory schemes targeted on workers in the informal economy. Otherwise, TFPs could become financially and socially unsustainable in the future. There are also various ways to improve the financing, administration and eligibility criteria of TFPs, particularly because it is necessary to define consistent structure and benefit policies between these and contributory schemes. 相似文献
136.
From reform to crisis: Argentina's pension system 总被引:1,自引:0,他引:1
Fabio M. Bertranou Rafael Rofman Carlos O. Grushka 《International social security review》2003,56(2):103-114
Argentina underwent economic and social collapse in December 2001. The crisis brought the worst socioeconomic indicators in its history, and the pension system was not immune from this disaster, which was unparalleled in any middle-income developing country. In 1994 the pension system had been restructured, and was regarded as a viable model for other reforms elsewhere. This article discusses in general terms the features of the current pension scheme, the structural problems that were not resolved in the reform of 1994, the relation between that reform and the government's financial crisis, and the impact of the economic collapse on the pension system. Finally, it discusses some aspects of the challenges faced in building a system that is financially viable and has the potential to close the major gaps in coverage affecting both the working population and older persons. 相似文献
137.
Caliendo Ciro Guida Maurizio Postiglione Fabio Russo Isidoro 《Statistical Methods and Applications》2022,31(1):109-131
Statistical Methods & Applications - An analysis of crashes occurring in 252 unidirectional Italian motorway tunnels over a 4-year monitoring period is provided to identify the main causes of... 相似文献
138.
Fabio?LeonardiEmail author Liana?Spazzafumo Fiorella?Marcellini 《Social indicators research》2005,70(1):53-77
Based on the constructionist point of view applied to Subjective Well-Being (SWB), five hypotheses were advanced about the predictive power of the top-down effects and bottom-up processes over a five years period. The sample consisted of 297 respondents, which represent the Italian sample of a European longitudinal survey; the first phase was conducted in 1995 and the follow-up in 2000. Satisfaction judgments were collected on Overall Life Satisfaction (OLS) and on seven Life Facet Satisfaction (LFS) domains. The top-down effects were measured using a method derived from the constructionist point of view. Life conditions, which represent the bottom-up processes, were gathered by structured questionnaire and were optimized by a factor analyses. A stepwise regression was performed in each satisfaction judgment to test the five hypotheses, which were confirmedwith only few exceptions. The results revealed that the top-down effects were a significant predictor in all satisfaction judgments, especially in OLS, where it was the strongest predictor. Life conditions (bottom-up factors) were less strong predictors than the top-down effects, but they became strong predictors if they were gathered at the same time as satisfaction judgments. 相似文献
139.
140.
Art dealers are often described as gatekeepers who are focused on their own position as well as the status of their artists and collectors. We argue that this is an incomplete account of art dealing. The goal of this article is to explain how art dealing is a “toolkit” that does not exclusively focus on status building and social capital, but also includes behavior associated with accessing the visual arts field and community development. First, art dealers often have a background that has strong social ties to art, which provides them with intimate knowledge of the art world and social connections with artists, collectors, and other art world actors. For that reason, entry into art dealing reflects intimate knowledge of art practices, what we call “proximate connoisseurship.” Second, art dealerships reflect both competitive and communal factors. Art dealers may choose to work with artists based on their ability to generate income, social capital, and prestige (“competitive logic”), but art dealers may also employ a “communal logic” focused on friendships and creating community. This theory of art dealers is illustrated with excerpts from interviews with 34 dealers randomly selected from the rosters of international art fairs such as Art Basel Miami, EXPO Chicago, Aqua, and the New Art Dealers Alliance show. 相似文献