The matching of likes is a frequently observed phenomenon. However, for such assortative matching to arise in a search model, often implausibly strong conditions are required. This paper shows that, once signals are introduced, a search model can generate even perfect assortative matching under...

For instrumental-variable estimation using binary instruments, we offer simple methods to obtain policy-relevant insights beyond local average treatment effects. We demonstrate the methods by evaluating an element of choice introduced into active labour market policy in Germany by a reform in...

Verbindungen zwischen ähnlichen Subjekten sind ein häufig beobachtetes Phänomen. Damit solche Sortierungen in einem Suchmodell auftreten, müssen oft jedoch überraschend starke Bedingungen erfüllt sein. Diese Studie zeigt, dass ein um Signale erweitertes Suchmodell sogar vollkommene...