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Threats to Central Bank Independence : High-Frequency Identification with Twitter
Bianchi, Francesco - 2019
This paper presents market-based evidence that President Trump influences expectations about monetary policy. We use tick-by-tick fed funds futures data and a collection of Trump tweets criticizing the conduct of monetary policy and consistently advocating that the Fed lower interest rates....
Persistent link: https://www.econbiz.de/10012862403
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Blockchain Disruption and Smart Contracts
Cong, Lin William - 2018
Blockchain technology provides decentralized consensus and potentially enlarges the contracting space using smart contracts with tamper-proofness and algorithmic executions. Meanwhile, generating decentralized consensus entails distributing information which necessarily alters the informational...
Persistent link: https://www.econbiz.de/10012925288
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Piracy and Copyright Enforcement Mechanisms
Danaher, Brett - 2015
Much debate exists around the impact that illegal file sharing may have on the creative industries. Similarly, opinions differ regarding whether the producers of artistic works should be forced to accept any weakening of intellectual property rights resulting from illegal file sharing, or if...
Persistent link: https://www.econbiz.de/10013035462
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The Skill Complementarity of Broadband Internet
Akerman, Anders - 2015
Does adoption of broadband internet in firms enhance labor productivity and increase wages? And is this technological … adoption of broadband internet in firms. Our results suggest that broadband internet improves (worsens) the labor outcomes and … internet. We find suggestive evidence that broadband adoption in firms complements skilled workers in executing nonroutine …
Persistent link: https://www.econbiz.de/10013030144
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Aggregation of Consumer Ratings : An Application to Yelp.Com
Dai, Daisy - 2012
Because consumer reviews leverage the wisdom of the crowd, the way in which they are aggregated is a central decision faced by platforms. We explore this "rating aggregation problem" and offer a structural approach to solving it, allowing for (1) reviewers to vary in stringency and accuracy, (2)...
Persistent link: https://www.econbiz.de/10013097277
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Is Bitcoin a Real Currency? An Economic Appraisal
Yermack, David - 2013
A bona fide currency functions as a medium of exchange, a store of value, and a unit of account, but bitcoin largely fails to satisfy these criteria. Bitcoin has achieved only scant consumer transaction volume, with an average well below one daily transaction for the few merchants who accept it....
Persistent link: https://www.econbiz.de/10013071510
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The Geographic Spread of Covid-19 Correlates with the Structure of Social Networks as Measured by Facebook
Kuchler, Theresa - 2020
We use aggregated data from Facebook to show that COVID-19 was more likely to spread between regions with stronger social network connections. Areas with more social ties to two early COVID-19 “hotspots” (Westchester County, NY, in the U.S. and Lodi province in Italy) generally had more...
Persistent link: https://www.econbiz.de/10012837185
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Measuring Social Connectedness
Bailey, Michael - 2017
We introduce a new measure of social connectedness between U.S. county-pairs, as well as between U.S. counties and foreign countries. Our measure, which we call the "Social Connectedness Index" (SCI), is based on the number of friendship links on Facebook, the world's largest online social...
Persistent link: https://www.econbiz.de/10012951350
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What Can We Learn from Euro-Dollar Tweets?
Gholampour, Vahid - 2017
We use 633 days of tweets about the Euro/dollar exchange rate to determine their information content and the profitability of trading based on Twitter Sentiment. We develop a detailed lexicon used by FX traders to translate verbal tweets into positive, negative and neutral opinions. The...
Persistent link: https://www.econbiz.de/10012959375
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Fake News and Advertising on Social Media : A Study of the Anti-Vaccination Movement
Chiou, Lesley - 2018
Online sources sometimes publish information that is false or intentionally misleading. We study the role of social networks and advertising on social networks in the dissemination of false news stories about childhood vaccines. We document that anti-vaccine Facebook groups disseminate false...
Persistent link: https://www.econbiz.de/10012908469