Experimental evidence has convincingly shown the existence of reciprocal inclinations, i.e., a tendency for people to respond in-kind to hostile or kind actions. Little is known, however, about: (i) the prevalence of reciprocity in the population, (ii) individual determinants of reciprocity,...

Experimental evidence has convincingly shown the existence of reciprocal inclinations, i.e., a tendency for people to respond in-kind to hostile or kind actions. Little is known, however, about: (i) the prevalence of reciprocity in the population, (ii) individual determinants of reciprocity,...

People differ in their willingness to take risks. Recent work found that revealed preference tasks (e.g., laboratory lotteries) - a dominant class of measures-are outperformed by survey-based stated preferences, which are more stable and predict real-world risk taking across different domains....

In the past decades, behavioural economics has become an influential and important field of economics. Interest in behavioural economics derives from unease with standard economic models that are based on restrictive assumptions, which confine the nature of human motivation. Although Adam Smith,...