We contribute to the theoretical and empirical literature on waste trade, with a focus on the secondhand market of plastic materials. To do this, we take two main steps: we first model a two-country setting with an exporting and an importing country, to derive testable predictions on how their...

Our empirical analysis on the determinants of self-declared happiness on more than 100 000 individuals from representative samples in 82 world countries does not reject the hypothesis that the time spent for relationships has a significant and positive impact on happiness. This basic nexus helps...