749 resultados para decision-making model


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Un résumé en français est également disponible.

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In the context of decision making under uncertainty, we formalize the concept of analogy: an analogy between two decision problems is a mapping that transforms one problem into the other while preserving the problem's structure. We identify the basic structure of a decision problem, and provide a representation of the mappings that pre- serve this structure. We then consider decision makers who use multiple analogies. Our main results are a representation theorem for "aggregators" of analogies satisfying certain minimal requirements, and the identification of preferences emerging from analogical reasoning. We show that a large variety of multiple-prior preferences can be thought of as emerging from analogical reasoning.

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Thèse numérisée par la Division de la gestion de documents et des archives de l'Université de Montréal

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Étude de cas / Case study

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Despite the wide range of agendas used in legislative decision-making, the literature has focused almost exclusively on two stylized formats, the so-called Euro-Latin and Anglo-American agendas. As emphasized by Ordeshook and Schwartz [1987], this focus leaves a sizable gap in our understanding of the legislative process. To help address the deficiency, I first define a very broad class of agendas (called simple agendas) whose features are common among agendas used in legislative settings. I then characterize the sophisticated (Farquharson [1969]) voting outcomes implemented by agendas in this class. By establishing a clear connection between the structure of simple agendas and the outcomes associated with them, the characterization extends our understanding of legislative decision-making well beyond the very limited scope of Euro-Latin and Anglo-American agendas.

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In many real world contexts individuals find themselves in situations where they have to decide between options of behaviour that serve a collective purpose or behaviours which satisfy one’s private interests, ignoring the collective. In some cases the underlying social dilemma (Dawes, 1980) is solved and we observe collective action (Olson, 1965). In others social mobilisation is unsuccessful. The central topic of social dilemma research is the identification and understanding of mechanisms which yield to the observed cooperation and therefore resolve the social dilemma. It is the purpose of this thesis to contribute this research field for the case of public good dilemmas. To do so, existing work that is relevant to this problem domain is reviewed and a set of mandatory requirements is derived which guide theory and method development of the thesis. In particular, the thesis focusses on dynamic processes of social mobilisation which can foster or inhibit collective action. The basic understanding is that success or failure of the required process of social mobilisation is determined by heterogeneous individual preferences of the members of a providing group, the social structure in which the acting individuals are contained, and the embedding of the individuals in economic, political, biophysical, or other external contexts. To account for these aspects and for the involved dynamics the methodical approach of the thesis is computer simulation, in particular agent-based modelling and simulation of social systems. Particularly conductive are agent models which ground the simulation of human behaviour in suitable psychological theories of action. The thesis develops the action theory HAPPenInGS (Heterogeneous Agents Providing Public Goods) and demonstrates its embedding into different agent-based simulations. The thesis substantiates the particular added value of the methodical approach: Starting out from a theory of individual behaviour, in simulations the emergence of collective patterns of behaviour becomes observable. In addition, the underlying collective dynamics may be scrutinised and assessed by scenario analysis. The results of such experiments reveal insights on processes of social mobilisation which go beyond classical empirical approaches and yield policy recommendations on promising intervention measures in particular.

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Resumen tomado de la publicaci??n

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KFC, the chain fast-food restaurants in UK, planed to launched coffee products through campaigns. There are two main reasons for KFC to make the decision. The first one is KFC tried to promote its coffee products with KFC A.M. breakfast plan and it failed at last. The second reason is that KFC needs extension points of interest. The financial condition of KFC has been steady but no breakthrough growth. It has been showed that there is enormous potential of “fast-drink” market in UK. After the success of KFC “Krushems” series, it is reasonable for the company launched coffee products. However, KFC also faced to many challenges to win the market. Compare to the main competitor of McDonald’s, KFC’s quantity of restaurants is far too less. Moreover, KFC has a brand limitation that focuses more family than single urban. The dominant competitors are another challenge KFC need to manage. To sum up, KFC has to win these challenges to be a bigger player in UK coffee market.

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Stepped Animation

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Reproduction is not restricted to the biological; it is also a complex and dynamic social process. The objective of this paper is to analyze the decision and planning of children as part of the reproductive process in men. Methodologically, a qualitative research was made. The analysis includes in-depth interviews with 30 parents between 20 and 45 years, of medium socio-economic level in México. The results show that the reproductive process incorporates family formation negotiated with their couple the marriage until they had economic potential. In some cases, their decision hastened because the couple was pregnant. The planning was not contemplated but when getting the news, they accept it and get involved in the process, while others see it as a conflict.

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Cumple con los requisitos exigidos en el curriculo nacional inglés de 2002 para el programa de estudio de educación para la ciudadanía en la etapa de secundaria. De los tres elementos que tiene este programa: la cultura política, la participación comunitaria, y la responsabilidad social y moral, esta guía quiere resaltar este último aspecto. Pues,pretende el desarrollo espiritual, moral, social y cultural en los alumnos y, también, el desarrollo de habilidades tanto, para la comunicación, la utilización de las nuevas tecnologías, el trabajo en equipo y la resolución de problemas, como para saber desenvolverse en la vida.

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Resumen tomado de la publicación. Con el apoyo económico del departamento MIDE de la UNED. Contiene anexo de preguntas