We examine the effect of Amnesty Plus on dynamic cartel formation in a multimarket setting. The Amnesty Plus program has been adopted as part of the US Corporate Leniency Policy in 1999 and is now vigorously advertised as one of the most compelling tools in generating successful cartel...

We investigate whether patents that are jointly held by legally independent companies help sustain product-market collusion. We use a simple model of repeated interactions to show that joint patents can serve collusive purposes. Our model generates two testable predictions: when joint patents...