When contributing content on large online platforms, producers of user-generated content have to decide where to contribute. On a complex and dynamic platform like wikipedia, this decision is expected to depend on the way the content is organized. We analyse whether the hyperlinks on Wikipedia...

A simple model of decentralised graduation standards is presented. It is shown that a school whose students are disadvantaged on the labour market applies less demanding standards because such students have less incentives to graduate. The model's predictions are tested using Dutch school-level...