How can governments and companies be jointly empowered to have a positive impact on the sustainable development goals? The current economic system is largely geared towards increasing economic growth. But this could come at the expense of rising social inequality and environmental...

The class of preferences over opportunity sets ("menus") rationalizable by underlying preferences over the alternatives is characterized for the general case in which the dataset is unrestricted. In particular, both the universal set of alternatives and the domain of menus over which preferences...

We put forward a model of private goods with externalities. Agents derive benefit from communicating with each other. In order to communicate they need to have a language in common. Learning languages is costly. In this setting no individually rational and feasible Groves mechanism exists. We...