aim and background: the purpose of this study was to investigate the relationship between cognitive intelligence and ambiguity tolerance with entrepreneurship of west azarbayjan payam noor university students, iran. methods and materials: this cross-sectional correlational research was conducted during 2010-2011 academic years. 1122 student (672 female and 450 male) were selected using stratifi...

The objective of this paper is to show how ambiguity, and a decision maker (DM)’s response to it, can be modelled formally in the context of a general decision model. We introduce a relation derived from the DM’s preferences, called ‘‘unambiguous preference’’, and show that it can be represented by a set of probabilities. We provide such set with a simple differential characterization, and argu...

investigating and ranking the stressor factors on employees’ job performance in urmia university of medical sciences staff heidarisani m , vahedi m , rahimi gh , rahimi b * received: 25 aug , 2013 accepted: 28 oct , 2013 abstract background & aims: stress and its effect is a significant problem in all organizations therefore employees and even human are living with it in recent decade. the purp...

According to the well-known distinction attributed to Knight (1921), there are two kinds of uncertainty. The first, called “risk,” corresponds to situations in which all events relevant to decision making are associated with obvious probability assignments (which every decision maker agrees to). The second, called “(Knightian) uncertainty” or (following Ellsberg (1961)) “ambiguity,” corresponds...

PURPOSE This experimental economics study using brain imaging techniques investigates the risk-ambiguity distinction in relation to the source preference hypothesis (Fox & Tversky, 1995) in which identically distributed risks arising from different sources of uncertainty may engender distinct preferences for the same decision maker, contrary to classical economic thinking. The use of brain imag...

In this paper, we propose three new tensor decompositions for even-order tensors corresponding respectively to the rank-one decompositions of some unfolded matrices. Consequently such new decompositions lead to three new notions of (even-order) tensor ranks, to be called the M-rank, the symmetric M-rank, and the strongly symmetric M-rank in this paper. We discuss the bounds between these new te...