In surveys consumers say that they care deeply about whether the products they buy are made in workplaces with fair labor standards rather than in sweatshops. But the existing market for such ethically differentiated goods is small and there is no clear evidence that consumers would actually...

In recent years, political and social scientists have made increasing use of conjoint survey designs to study decision-making. Here, we study a consequential question which researchers confront when implementing conjoint designs: how many choice tasks can respondents perform before survey...