Ambiguity in a Dialectical Perspective

Ambiguity in a dialectical perspective

Evaluating Decision Support Systems: a Dialectical Perspective

This paper raises a number of issues about the problem of evaluating a (decision) support system used for supporting unstructured and semi-structured problemsolving. The paper proposes a conceptual framework for the evaluation of support systems. This framework is based on an analysis of the evaluation realms, considered in terms of the whole decision-making process. The framework consists of t...

features of short story in translated and non-translated literature: a polysystemic perspective

ترجمه متون ادبی در دنیای امروز از اهمیت ویژه ای برخوردار است. فرهنگ های مختلف با استفاده از متون ادبی ملل و فرهنگ های دیگر سعی در غنی کردن فرهنگ و ادبیات کشور خود دارند. کشور ما نیز از این قاعده مستثنی نیست. در ایران، ترجمه متون ادبی اروپائی که با دوران مشروطه ایرانی آغاز می شود موجب تغییرات اساسی در فرهنگ، شیوه زندگی و تفکر ایرانیان شده است. در این دوران نه تنها در امورات سیاسی و فکری کشور تغی...

Ambiguity and Asset Prices: An Experimental Perspective

The violations of expected utility axioms displayed in the Ellsberg paradox have recently been attributed to ambiguity aversion. In this paper, we study the impact of ambiguity aversion on equilibrium asset pricing and portfolio holdings in competitive financial markets. We pay particular attention to potential heterogeneity, because a significant minority usually does not violate expected util...

Decision Making Under Ambiguity: A Belief-Function Perspective

In this article, we discuss problems with probability theory in representing uncertainties encountered in the "real world" and show how belief functions can overcome these difficulties. Also, we discuss an expected utility approach of decision making under ambiguity using the belief function framework. In particular, we develop a proposition for decision making under ambiguity using the expecte...