Feedback mechanisms that allow partners to rate each other after a transaction are considered crucial for the success of anonymous internet trading platforms. We document an asymmetry in the feedback behavior on eBay, propose an explanation based on the micro structure of the feedback mechanism...

In a short period of time virtual currencies have gained significant traction and become an economic reality, with Bitcoin being the most dominant among over 500 virtual currencies. Bitcoin and other virtual currencies present a particularly difficult and unique jurisdictional challenge to...

During 2013, the U.S. Treasury Department evoked the first use of the 2001 Patriot Act to exclude virtual currency provider Liberty Reserve from the U.S. financial system. This article will discuss: the regulation of virtual currencies; cybercrimes and payment systems; darknets, Tor and the...

By now, almost every business has an internet presence, and is likely engaged in e-commerce. What are the major risks perceived by those engaged in e-commerce and electronic payment systems? What potential risks, if they become reality, may cause substantial increases in operating costs or...

Television is the dominant entertainment medium for hundreds of millions. This chapter surveys the economic forces that determine the production and consumption of this content. It presents recent trends in television and online video markets, both in the US and internationally, and describes...

We analyse pricing, effort and tipping decisions in the online service Google Answers. While users set a price for the answer to their question ex ante, they can additionally give a tip to the researcher ex post. In line with the related experimental literature we find evidence that tipping is...

We analyse pricing, effort and tipping decisions in the online service "Google Answers". While users set a price for the answer to their question ex ante, they can additionally give a tip to the researcher ex post. In line with the related experimental literature we find evidence that tipping is...

This paper introduces the most comprehensive data available to date on centralized and decentralized exchanges run off of distributed ledger technologies. First, we document the rapid growth in decentralized exchanges and their differences in volume and price dynamics from centralized exchanges....

We consider innovation contests for the procurement of an innovation under moral hazard and adverse selection. Innovators have private information about their abilities, and choose unobservable effort in order to produce innovations of random quality. Innovation quality is not contractible. We...

This paper studies uniform-price auctions for multiple units of airport slots in which the airlines purchase slots for take-off and landing at an airport. It considers strategic behavior on the part of bidding airlines and on the part of airport authority, who acts as a seller and decides supply...