Search frictions can explain why the "law of one price" fails in retail markets and why even firms selling commodity products have pricing power. In online commerce, physical search costs are low, yet price dispersion is common. We use browsing data from eBay to estimate a model of consumer...

This paper provides a data-driven overview of the different online platforms that consumers use to search for books and booksellers, and documents how the use of these platforms is shifting over time. Our data suggest that, as a result of digitization, consumers are increasingly conducting...

News consumption is moving online. If this move fundamentally changes how news is produced and consumed it will have important ramifications for politics. In this chapter we formulate a model of the supply and demand of news online that is motivated by descriptive features of online news...

We use individual and aggregate data to ask how the Internet is changing the ideological segregation of the American electorate. Focusing on online news consumption, offline news consumption, and face-to-face social interactions, we define ideological segregation in each domain using standard...

We simulate corporate tax reform in a single good, five-region (U.S., Europe, Japan, China, India) model, featuring skilled and unskilled labor, detailed region-specific demographics and fiscal policies. Eliminating the model's U.S. corporate income tax produces rapid and dramatic increases in...

An emerging new literature brings unique ideas from corporate finance to the study of international trade and investment. Insights about differences in the development of financial institutions across countries, the role of financial constraints, and the use of internal capital markets are...

In this paper we compare various characteristics of the cross-country transmission of shocks in the financial markets of both advanced and emerging countries during two periods of globalization -- the pre-World War I classical gold standard era, 1880-1914, and the post-Bretton Woods era,...

This paper examines the decision to enter the export market by German firms. While exports have played an important role in recent German business cycle movements, little is known about the export supply response of German firms. This paper presents a dynamic model of the export decision by a...

The last fifteen years have been marked by a dramatic boom-bust cycle in real estate prices, accompanied by economically large fluctuations in international capital flows. We argue that changes in international capital flows played, at most, a small role in driving house price movements in this...

This paper uses historical census data from Burkina Faso to characterize local demographic pressures associated with internal migration into river valleys after Onchocerciasis eradication, combined with a new survey of village elders to document change over time and differences across villages...