Here is our latest working paper, a theoretical take on some potential effects when a policymaker is unaware of the unintended consequences of policy:

Unintended Consequences: Ambiguous Welfare Effects when the Policymaker is Unaware

Here is another working paper, with interesting results on a fun experiment we did over zoom in the CELSS lab at Columbia University, thanks to funding from Barnard College:

May the Forcing Be With You: Experimental Evidence on Mandatory Contributions to Public Goods

In the following experiment, we analyze the circumstances under which a policy pushing subjects toward more efficient outcomes, for themselves or for their peers, can backfire.

Who Wants Their Peer to Be a Millionaire