Three experiments are presented that compare alternative explanations to the coexistence of risk aversion and under-diversification in investment decisions. The participants were asked to select one of several assets under two feedback conditions. In each case, one asset was a weighted...

In a given period, a diversified fund, by virtue of being a weighted average, will perform somewhere in the middle range of its components' respective performances. This means that adaptive investors who look to the past to adjust expectations about future returns will shun diversified funds....

Recent studies have questioned the existence and interpretation of a possible gap between Willingness-To-Pay (WTP) and Willingness-To-Accept (WTA). The study analyses the bidding patterns in buying and selling lottery tickets that represent financial assets using second price auction, and then...

In this study, we compare the subjective discount rate for Israeli Jews and Arabs. All the subjects were bank customers, who were asked to bid and ask prices for delayed fixed amounts and for lotteries. The two populations live in the same country under the same laws. Nevertheless, according to...

We present a multi-trial experiment that extends the classic experiment of Thaler et al. (1997) by adding short-term information to long-term investment. The allocation to the risky asset is reduced in the long-term, when we add short-term information.

The current field study uses data collected after the 2009 war between Israel and the Hamas militias in the Gaza Strip ended. The study compares recalled emotions and perceived risks among two groups of students, all of whom were exposed to rocket attacks. Individuals in the ``left the war...

This paper presents and analyzes the results of a decision‐making experiment in inventory management under uncertainty. The experiment included 81 participants who played the role of a small car importer facing random demand as in the (Q,R) model. The results show strong evidence of learning...

The current study is based on a field study of the 2006 Israel-Lebanon war that was conducted in two waves, the first two weeks after the end of the war, and the second 18 months later (2008). The purpose of the study was to examine recalled emotions and perceived risks induced by manipulation...