Ad blockers allow Internet users to obtain information without generating ad revenue for site owners; and by 2016 they were used by roughly a quarter of site visitors. Given the ad-supported nature of much of the web, ad blocking poses a threat to site revenue and, if revenue losses undermine...

Using data on 4.1 million apps at the Google Play Store from 2016 to 2019, we document that GDPR induced the exit of about a third of available apps; and in the quarters following implementation, entry of new apps fell by half. We estimate a structural model of demand and entry in the app...

A political miracle occurred when Germany was reunited, and at first glance an economic miracle has followed. Real incomes in the east have now reached the western level, and investment per capita has been much higher than in the west. However, every third deutschmark spent in the east has been...

Created by the Tax Cuts and Jobs Act in 2017, the Opportunity Zone program was designed to encourage investment in distressed communities across the U.S. We examine the early impacts of the Opportunity Zone program on residents of targeted areas. We leverage restricted-access microdata from the...

All of the attempts to end the euro crisis and to return the Eurozone countries to healthy growth rates of income and employment have failed. The options that are currently being discussed are not likely to be more successful

On October 6. 1979, the Federal Reserve announced what most people interpreted as a change in monetary policy. The purpose of this paper is to estimate the effects of this change on the 1980-81 economy. The effects of the change are estimated from simulations with my model of the U.S. economy...

This paper formulates a back of the envelope approach to study the effects of monetary policy on household consumption expenditures. We analyze several transmission mechanisms operating through direct, partial equilibrium channels--intertemporal substitution and net interest rate exposure--and...

The Internet comprises thousands of independently operated networks, where bilaterally negotiated interconnection agreements determine the flow of data between networks. The European Union's General Data Protection Regulation (GDPR) imposes strict restrictions on processing and sharing of...

We quantify the importance of non-monetary news in central bank communication. Using evidence from four major central banks and a comprehensive classification of events, we decompose news conveyed by central banks into news about monetary policy, economic growth, and separately, shocks to risk...

Small retail investors at the Robinhood (RH) retail brokerage firm from 2018 to 2020 shared with Finnish and larger US investors from the 1990s a preference for extreme recent winners and losers. Interestingly, this preference held even for the overall stock market during the March-2020 Covid...