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81.
Mimetic contagion and speculative bubbles 总被引:5,自引:0,他引:5
André Orléan 《Theory and Decision》1989,27(1-2):63-92
Conclusion The present essay has focused on specularity as a type of intersubjectivitywithin self-referential systems. We have stressed the self-organizationaldimension of specular processes, which lead to the emergenceof collective objects around which the group structures itself. Rationalbubbles, sunspots, and conventions provided us with examples of thiskind of self-organization within self-referential groups. It seems thatwe have here a theoretical schema that can account for numeroussocial institutions. Such is the case with money, which the overlappinggenerations model shows to belong to the same problematic. We haveobserved that individual and collective representations play an essentialrole in the definition of specular dynamics. In fact, giving thecollectivity a means of interpreting and understanding the natural andsocial environment is a crucial function of these representations. Inspite of its great importance, this cognitive dimension of collectiverepresentations has hardly been explored in previous theorizing. Wehave given priority to a specific form of specularity, namely, mimetism,which is in our view at the very heart of financial processes. Far frombeing the aberration that traditional approaches deem it to be, imita-tion is one of the most important types of rationality in situations ofuncertain and in situations where the agents' outcomes are highlyinterdependent. Our central hypothesis amounts to considering thatthe emergence of speculative bubbles on various kinds of markets canbe explained in terms of mimetic dynamics. Should this hypothesis beconfirmed, it would be possible to account for a phenomenon that isoften observed, namely, the link between bubbles and a decrease inthe diversity of opinion on the market. In our approach, conventionsare taken to be the outcome of a mimetic process. Conventions are thesocial objects created by a unanimous mimetic polarization. 相似文献
82.
José María Sarabia Enrique Castillo Marta Pascual María Sarabia 《Journal of Economic Inequality》2007,5(3):371-383
In this paper, the most general bivariate distribution with lognormal conditionals is fully characterized, using the methodology
proposed by [3]. The properties of the new family are studied in detail, including marginal and conditional distributions, regression functions,
dependence measures, moments and inequality measures. The new distribution is very broad, and contains as a particular case
the classical bivariate lognormal distribution. Several subfamilies are studied and a generalization of the basic model is
discussed. Finally, we present an empirical application. We estimate and compare the basic model proposed in the paper with
a classical model, using data from the European Community Household Panel in different periods of time. 相似文献
83.
Using Census data covering the 1980–2000 period, this article examines what outcomes would be necessary for today's recent immigrant cohorts to achieve earnings parity with Canadian‐born workers. Our results show that today's recent immigrants would have to experience a drastic steepening of their relative age‐earnings profile in the near future for their earnings to converge with their Canadian‐born counterparts. The reason is simple: the greater relative earnings growth experienced by recent immigrant cohorts has only partially offset the drastic deterioration in their relative earnings at entry. 相似文献
84.
The facial expressions of emotion and the circumstances under which the expressions occurred in a sample of the most popular children's television programs were investigated in this study. Fifteen-second randomly selected intervals from episodes of five television programs were analyzed for displays of happiness, sadness, anger, fear, disgust, and surprise. In addition, the contexts in which the emotions occurred were examined. Results indicated that particular emotional expressions occurred at significantly different frequencies and that there was an association between emotional displays and emotion-contexts. The high rate of emotional displays found in television shows has implications for the development of knowledge regarding emotional display rules in viewers.We are grateful to Sharon Galligan for assistance in coding part of the data and to Carolyn Saarni and Amy Halberstadt for helpful comments on an earlier draft of this paper. This research was supported in part by a grant from the National Institute of Disabilities and Rehabilitation Research, #GOO85351. The opinions expressed herein do not necessarily reflect the position or policy of the U.S. Department of Education. 相似文献
85.
86.
Sales Lucas O. F. Pinho André L. S. Bourguignon Marcelo Medeiros F. Moisés C. 《Statistical Methods and Applications》2022,31(4):1037-1068
Statistical Methods & Applications - Control charts are commonly used for monitoring the mean of processes. However, there are practical applications in which asymmetric data are the standard.... 相似文献
87.
Alfaro Moreno Ana Karina Núñez Velázquez José Javier 《Social indicators research》2019,142(3):911-946
Social Indicators Research - This study analyzes the evolution of salary polarization in the Spanish labor market. The paper proposes the use of mixed distributions to examine the consequences of... 相似文献
88.
José Guadalupe Ortega 《Slavery & abolition》2013,34(2):273-291
This essay examines a maritime case involving a Charleston-based French privateer in 1795 as well as members, subjects, and citizens of multiple societies from Western Africa, Cuba, Spain, and Great Britain in order to reveal the fluid legal foundations of trans-Atlantic regimes with respect to slavery and freedom. The French maritime seizure of a British slaving vessel in the Caribbean and the subsequent transfer of enslaved African peoples from British to French to Spanish authority in Cuba set the stage for nearly 40 years of litigation in both hemispheres. The case led to legal disputes in Philadelphia, Madrid, and Havana as members of this Atlantic society sought to confront the most prominent political and social issues of this era. While officials in Philadelphia sought to avoid entanglement in the imperial wars between France and Great Britain, officials in Madrid and Havana competed with each other in order to define the legal identities of a group of Carabalí-Oru peoples onboard the British vessel. For their part, this group of Carabalí-Oru peoples exploited the ambiguities created by a system of Atlantic jurisprudence while relying on their memory of the Middle Passage in order to challenge their unjust enslavement in Cuba. 相似文献
89.
90.
André I. Khuri 《Journal of applied statistics》2005,32(9):887-908
Slack-variable models are compared against Scheffé's polynomial model for mixture experiments. The notion of model equivalence and the use of various diagnostic measures provide effective tools in making such comparisons, particularly when the experimental region is highly constrained. It is demonstrated that the choice of the best fitting model, through variable selection, depends on which mixture component is selected as a slack variable, and on the size of the fitted model. In addition, the equivalence of two well-known representations of a complete mixture model is shown to be valid. Two numerical examples are presented. 相似文献