on gravity modeling and estimation for international trade and migration and on domestic firm-level labor market effects … of internationalization. Chapter 2 structurally estimates a micro-founded gravity equation for migration flows. For a … migration frictions. Chapter 3 asks how the welfare quantification of trade liberalization changes if one allows workers to be …

. We study in an experiment with 336 kindergarten children, aged three to six years, whether intertemporal choice behavior … is malleable. In a control condition, about 50% of children prefer two rewards the next day over one reward immediately … successfully in promoting delay of gratification. We also find that patience increases with age and that more patient children have …

- to eleven-year old primary school children in the city of Meran, we find that cooperation generally increases with age …, but that the gap between cooperation among in-group members and cooperation towards children speaking another language is …

Children can be considered as a marriage-specific investment that increases the value of the marriage, making a divorce … children conceived during first marriage. Our results indicate that the presence of children significantly reduces the … probability of marital disruption. In addition, the younger the children, the greater the deterrent effect. In contrast, we …