Should China build mega-cities or a network of linked middle-sized metropolises? Can Europe's mid-sized cities compete with global agglomeration by forging stronger inter-urban links? This paper examines these questions within a model of recombinant growth and endogenous local amenities. Three...

We study optimal dynamic lockdowns against Covid-19 within a commuting network. Our framework integrates canonical spatial epidemiology and trade models, and is applied to cities with varying initial viral spread: Seoul, Daegu and NYC-Metro. Spatial lockdowns achieve substantially smaller income...

Technological innovations in content delivery, such as the advent of broadcast television or of the Internet, threaten local newspapers’ ability to bundle their original local content with third-party content such as wire national news. We examine how the entry of television – with its...

There are two different types of media bias. One bias, which we refer to as ideology, reflects a news outlet's desire to affect reader opinions in a particular direction. The second bias, which we refer to as spin, reflects the outlet's attempt to simply create a memorable story. We examine...

Although the official statistics imply that the rate of growth of real GDP in the United States has declined in recent years, it has still been substantially higher than the real growth rates in Europe and the other industrial countries, leading to higher real per capita incomes. This paper...