29,569 research outputs found

    Security And Potential Level Preferences With

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    The security level models of Gilboa (1988) and of Jaffray (1988) as well as the security and potential level model of Cohen (1992) accomodate succesfully classical Allais paradoxa while they offer an interesting explanation for their occurrence. However, experimental data suggest a systematic violation of these models when lotteries with low probabilities of bad or good outcomes are involved. The present paper develops an axiomatic model that allows for thresholds in the perception of security and potential levels. The derived representation of preferences accommodates the observed violations of the original security and potential level models and provides a natural explanation for their occurence. Additionally, a more fundamental problem of the original models is resolved.

    Mathematical Fuzzy Logic in the Emerging Fields of Engineering, Finance, and Computer Sciences

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    Mathematical fuzzy logic (MFL) specifically targets many-valued logic and has significantly contributed to the logical foundations of fuzzy set theory (FST). It explores the computational and philosophical rationale behind the uncertainty due to imprecision in the backdrop of traditional mathematical logic. Since uncertainty is present in almost every real-world application, it is essential to develop novel approaches and tools for efficient processing. This book is the collection of the publications in the Special Issue “Mathematical Fuzzy Logic in the Emerging Fields of Engineering, Finance, and Computer Sciences”, which aims to cover theoretical and practical aspects of MFL and FST. Specifically, this book addresses several problems, such as:- Industrial optimization problems- Multi-criteria decision-making- Financial forecasting problems- Image processing- Educational data mining- Explainable artificial intelligence, etc

    Security and potential level preferences with thresholds

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    The security level models of Gilboa (1988) and of Jaffray (1988) as well as the security and potential level model of Cohen (1992) accomodate succesfully classical Allais paradoxa while they offer an interesting explanation for their occurrence. However, experimental data suggest a systematic violation of these models when lotteries with low probabilities of bad or good outcomes are involved. The present paper develops an axiomatic model that allows for thresholds in the perception of security and potential levels. The derived representation of preferences accommodates the observed violations of the original security and potential level models and provides a natural explanation for their occurence. Additionally, a more fundamental problem of the original models is resolved

    Changing Attitudes to Immigrants' Inclusion in the Welfare State in Norway and the United Kingdom - A deliberative approach to studying attitude-formation through social interactions

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    Public polarization about the issue of immigration is a significant source of deepening divisions in society. To better understand public attitudes to immigrants' inclusion in the welfare state, this research takes a novel, qualitative approach to studying public attitudes through social interaction during democratic forums conducted in Norway and in the United Kingdom in 2015. The research analyses people's understanding of the issue of immigration and how they articulate their attitudes and interact with others. It finds that attitudes to immigrants' inclusion involve diverse considerations and create ambivalence, as people have both positive and negative perceptions of immigration and immigrants. Furthermore, as people differentiate between immigrants, preferences for inclusion and exclusion vary depending on the group of immigrants. Changes in attitude can be identified considering the specific social contexts, needs, and interests related to the in-group, to the welfare state in the country of destination, and to the social situations that immigrants face. Therefore, this research stresses the dynamism of attitude-formation and argues that public attitudes to immigrants should not be simplified to one single attitude either 'for' or 'against' the inclusion of immigrants, as preferences range between pro-inclusive and pro-exclusive depending on the specific group of immigrants and the specific social context under consideration. Furthermore, this research provides new evidence about how specific institutional features are discursively reproduced through interaction during debates. The research argues that especially differences in the institutional and social context explain the differences between the inclusive approach to immigration in the Norwegian and the restrictive approach to immigration in the British democratic forums. These findings draw attention to the power of the framing of issues in the wider public- and political discourse, and to the role of the homogeneity and heterogeneity of views. While a homogeneity of views and prevailing consensus within group discussions (and within the wider social context) can limit the scope of attitude-formation and restrict the reconsideration of stances for or against inclusion, a heterogeneity of views and competing preferences engender more comprehensive discussion that includes consideration of a wider range of aspects and measures concerning the inclusion of immigrants. In analysing the dynamism of attitude-formation and the diversity of considerations behind public attitudes, the research makes significant theoretical and methodological contributions to the knowledge in the field of welfare attitudes. The research findings complement existing research into attitudes to immigrants' access to welfare provision, which predominantly relies on public opinion surveys. Furthermore, the research has important implications for future research and policy-making

    The Economics and Psychology of Personality Traits

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    This paper explores the interface between personality psychology andeconomics. We examine the predictive power of personality and the stability ofpersonality traits over the life cycle. We develop simple analytical frameworksfor interpreting the evidence in personality psychology and suggest promisingavenues for future research.education, training and the labour market;

    The Economics and Psychology of Personality Traits

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    This paper explores the interface between personality psychology and economics. We examine the predictive power of personality and the stability of personality traits over the life cycle. We develop simple analytical frameworks for interpreting the evidence in personality psychology and suggest promising avenues for future research.personality traits, lifecycle effects, psychology, economics

    The Economics and Psychology of Personality Traits

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    This paper explores the interface between personality psychology and economics. We examine the predictive power of personality and the stability of personality traits over the life cycle. We develop simple analytical frameworks for interpreting the evidence in personality psychology and suggest promising avenues for future research.lifecycle effects, personality traits

    Investigating Predictors of Preferences for Deliberative Qualities of Political Conversations Using the Analytic Hierarchy Process

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    This thesis presents a conceptual and methodological approach to researching preferences for political conversation. The thesis contends that although real-world political discussion is not deliberative, insofar as it fails to satisfy the rigorous requirements deliberative theorists have laid out, the lack of empirical evidence is not cause to reject deliberation as a viable political theory. To connect the theoretical and empirical, this thesis presents a “quasi-deliberation” framework. Quasi-deliberation, for the purpose of this thesis, is the state of political discourse shaped by the choices made when ideal deliberative qualities conflict in the real world. Quasi-deliberation suggests that the differences between the real world and the theoretical are described by preferences regarding different qualities of political conversation. These qualities, drawn from the deliberation literature (Moy & Gastil, 2006) are “dominance during political conversation,” “clarity” of opinion expression, use of “reason, logic, and evidence,” and “understanding of other conversants\u27 views” (p. 448). The thesis tests the exploratory supposition that these choices are predictable outcomes of antecedent political characteristics of respondents, using a nationwide online survey instrument distributed to the non-random membership of a website. The characteristics measured in this thesis are culturally-informed worldview (Kahan, Slovic, Braman, & Gastil, 2006), attributes of personal discursive networks (Moy & Gastil, 2006), and political information efficacy (Kaid, McKinney, & Tedesco, 2007). These three sets of measures are used as independent variables to describe the unique, discursively relevant characteristics of the respondent. Each is then tested as a predictor of the relative priorities ascribed to each deliberative quality. Saaty’s (1980) Analytic Hierarchy Process is used to create the dependent priority ranking variables. Respondents provide a preference for each quality vis-à-vis each other, producing a preference matrix, from which a single priority vector is derived
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