We estimate demand for residential broadband using high-frequency data from subscribers facing a three-part tariff. The three-part tariff makes data usage during the billing cycle a dynamic problem; thus, generating variation in the (shadow) price of usage. We provide evidence that subscribers...

In an incomplete contracts model where there are otherwise no social motives for protection, we show that protection is socially beneficial when a buyer outsources customized inputs from a specialized domestic supplier while also purchasing generic inputs from the world market. The reason is...

In a patent infringement suit, the alleged infringer wins with a ruling of either patent invalidity or non-infringement. It is ambiguous which of these outcomes is preferred by the alleged infringer. Invalidity may increase current-period competition, but simultaneously removes constraints to...

We study the effect of patent royalty damages on social welfare in an entry model of quantity competition. We show that fixed royalties are more effective than per-unit royalties in mitigating the inappropriability problem and promoting social welfare. Intuitively, per-unit royalties help...

In liability lawsuits (e.g. patent infringement) a plaintiff demands compensation from a defendant and the parties often negotiate a settlement to avoid a costly trial. Liability insurance creates bargaining leverage for the defendant in this settlement negotiation. We study the characteristics...

We develop a new framework to study the welfare consequences of preferential trade agreements (PTAs) under global sourcing, incomplete contracts and endogenous matching. We uncover several new channels through which PTAs affect global welfare. There are effects stemmingfrom intensive margin...