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Does High Frequency Social Media Data Improve Forecasts of Low Frequency Consumer Confidence Measures?
Lehrer, Steven F. - 2019
Social media data presents challenges for forecasters since one must convert text into data and deal with issues related to these measures being collected at different frequencies and volumes than traditional financial data. In this paper, we use a deep learning algorithm to measure sentiment...
Persistent link: https://www.econbiz.de/10012858409
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Do Pharmacists Buy Bayer? Informed Shoppers and the Brand Premium
Bronnenberg, Bart J. - 2014
suggest that misinformation and related consumer mistakes explain a sizable share of the brand premium for health products …
Persistent link: https://www.econbiz.de/10013050309
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The Evolution of Brand Preferences : Evidence from Consumer Migration
Bronnenberg, Bart J. - 2010
We study the long-run evolution of brand preferences, using new data on consumers' life histories and purchases of … advertising. Heterogeneity in brand preferences explains 40 percent of geographic variation in market shares. These preferences … years in the past still exerting a significant effect on current consumption. Counterfactuals suggest that brand preferences …
Persistent link: https://www.econbiz.de/10013139281
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Brand Loyalty, Generic Entry and Price Competition in Pharmaceuticals in the Quarter Century after the 1984 Waxman-Hatch Legislation
Berndt, Ernst R. - 2014
. Recent studies sponsored by the American Association of Retired Persons focus only on brand prices and ignore substitution to …
Persistent link: https://www.econbiz.de/10013069176
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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
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Fintech and Household Resilience to Shocks : Evidence from Digital Loans in Kenya
Bharadwaj, Prashant - 2019
Developing country lenders are taking advantage of fintech tools to create fully digital loans on mobile phones. Using administrative and survey data, we study the take up and impacts of one of the most popular digital loan products in the world, M-Shwari in Kenya. While 34% of those eligible...
Persistent link: https://www.econbiz.de/10012891337