averse to risk and ambiguity. The evidence is largely correlational, however, leaving open the question of the direction of … causality. In this paper, we present experimental evidence of causation running from reliance on intuition to risk and ambiguity … lowers the probability of being ambiguity averse by 30 percentage points and increases risk tolerance by about 30 percent in …

We present the first calibration of quantum decision theory (QDT) to an empirical data set. The data comprise 91 …. The prediction of choice reversal is then refined by introducing heterogeneity between decision makers through a … differentiation of the population into two similar sized groups in terms of "over-confident" and "contrarian" decision makers. This …

In this paper I consider a complex decision problem where subjects have to cope with a time horizon of uncertain … economic theory suggests to solve the decision problem. But since real decision makers can hardly be expected to behave … part of the paper I discuss how much of the data can be explained by assuming that experimental subjects are risk averse. …