A new explanation of loss aversion and the endowment effect is proposed. The model is based on the uncertain values of goods. The key element is that decision makers consider potential new knowledge about the goods they evaluate, in particular in situations when the seller may have more...

We provide a framework to uncover behavioural mechanisms driving potential cross-societal differences in voluntary cooperation. We deploy our framework in one-shot public goods experiments in the US and the UK, and in Morocco and Turkey. We find that cooperation is higher in the US and UK than...