Paper #640

Títol:

Reflections on gains and losses: A 2x2x7 experiment

Autors:

Antoni Bosch-Domènech i Joaquim Silvestre

Data:

Setembre 2002

Resum:

We test whether risk attitudes change when losses instead of gains are involved. The study of gain-loss asymmetries has been largely confined to �reflected� choices, where all the money amounts of a positive prospect are multiplied by minus one. We define the decomposition �reflection = translation + probability switch,� and experimentally find both a translation effect (risk attraction becomes more frequent when gains are translated into losses) and a probability switch effect (risk attraction becomes more frequent when the probability of the best outcome decreases). Surprisingly, the switch effect is somewhat stronger than the translation effect, negating a conventional reflection effect when one starts with choices between gains with a low probability of the best outcome. We conclude by arguing that, while both the translation effect and the switch effect contradict the expected utility hypothesis, the translation effect implies a deeper violation of standard preference theory.

Paraules clau:

Reflection effect, risk attraction, risk aversion, gains, losses, experiments, Leex

Codis JEL:

C91, D81

Àrea de Recerca:

Economia Experimental i del Comportament / Microeconomia

Publicat a:

Journal of Risk and Uncertainty, 33, 3, 2006

Descarregar el paper en format PDF