Puts as well as calls -- Single-chooser rules -- Dual-chooser rules -- Higher-order liability rules -- Correlated values -- Multiple takings -- Relaxing other (administrative, informational & cognitive) assumptions -- Bargaining in the shadow of different regimes / Ian Ayres and Eric Talley --...

In the Calabresi and Melamed framework, liability rules are analogous to "call" options in that a potential taker is given the choice of taking and paying court determined damages. But it is impossible to extend the 4 rule framework to include 2 additional "put option" (or "forced purchase")...