Polyclinics and polysystems: evolving ambiguity, evidence required

Polyclinics and polysystems: evolving ambiguity, evidence required.

Polyclinics and psychiatry

The preliminary review of the National Health Service (NHS) in England, led by Lord Darzi, proposed the development of ‘polyclinics’, which in the final report are referred to as ‘GP-led health centres’. Although there is considerable confusion in the literature about what it actually means, the term polyclinic will be familiar to those who have worked in the former Soviet countries of Europe (...

Ambiguity Theory and Asset Pricing: Empirical Evidence from Tehran Stock Exchange

Modern portfolio theory is based on the relationship between risk and return and in this paper, specific uncertainty conditions are introduced as ambiguity which affects the asset pricing. Also, the relationship between risk, ambiguity and return is examined. First, ambiguity is estimated by the means of three-variable and main component method, trading volume, ask-bid spread, error of earnings...

Ambiguous games: evidence for strategic ambiguity aversion.

The problem of ambiguity in games is discussed, and a class of ambiguous games is identified. A total of 195 participants played strategic-form games of various sizes with unidentified co-players. In each case, they first chose between a known-risk game involving a co-player indifferent between strategies and an equivalent ambiguous game involving one of several co-player types, each with a dif...

Ambiguity Aversion in Game Theory: Experimental Evidence

This paper studies games with ambiguity averse agents, focusing on the relationship between preferences, beliefs over opponent’s preferences, and behaviour in normal form games. Using a carefully chosen 3×2 normal form game we find that a subject’s risk and ambiguity preferences affect the subject’s behaviour in normal form games in the direction suggested by economic theories. In contrast, we ...