Close to 50% of municipal bonds are prepackaged with insurance at the time of issue. We offer a tax-based rationale for the emergence of third-party insurance of tax-exempt bonds. We argue that insurance adds value as it allows a third party to become, in a probabilistic sense, an issuer of...

"Stapled finance" is a loan commitment arranged by a seller in an M&A setting. Whoever wins the bidding contest has the option (not the obligation) to accept this loan commitment. We show that stapled finance increases bidding competition by subsidizing weak bidders, who raise their bids and...