Market provision of radio programming is beset by possible inefficient underprovision of formats that appeal to small audiences, for which the social benefits of programming — but not advertising revenue — exceed their costs. Larger markets have more programming, so their listeners derive...

"Recent technological changes may have altered the balance between technology and copyright law for digital products. While file-sharing has reduced revenue, other technological changes have reduced the costs of bringing creative works to market. As a result, we don't know whether the effective...

Regulators around the world are discussing, or taking action to limit, self-preferencing by large platforms. This paper explores Amazon's search rankings of its own products as the European Union's Digital Markets Act (DMA) was coming into effect. Using data on over 8 million Amazon search...