infonet-economy

Cognitive models of decision making aim to explain the process underlying observed choices. Here, we test a sequential sampling model of decision making, multialternative decision field theory (MDFT; Roe, Busemeyer, & Townsend, 2001), on empirical grounds and compare it against 2 established random utility models of choice: the probit and the logit model. Using a within-subject...

The heritability of variety seeking in the food domain was estimated from a large sample (N = 5,543) of middle age to elderly monozygotic and dizygotic twins from the “Virginia 30,000” twin study. Different dietary variety scores were calculated based on a semi-quantitative food choice questionnaire that assessed consumption frequencies and quantities for a list of 99 common foods....

Affective states can change how people react to measures aimed at influencing their decisions such as providing a default option. Previous research has shown that when defaults maintain the status quo positive mood increases reliance on the default and negative mood decreases it. Similarly, it has been demonstrated that positive mood enhances the preference for inaction. We extend...

Two of the main shocks that affect international trade are price and tariff changes. The present thesis covers these two topics. The first chapter shows that the transmission of international agricultural prices to local producers is asymmetric, with downward price movements being transmitted more strongly than upward price movements. This seems to be due to the market power that...

Cette thèse de doctorat est composée de trois chapitres. La principale contribution consiste à présenter deux cadres théoriques, paramétrique et non-paramétrique, pour faire des comparaisons et évaluations des concepts théoriques non-observables utilisés dans différents contextes tels que le bien-être, le développement, la santé et l'inégalité entre autres.Le premier chapitre...