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Returns to data : evidence from web tracking
Ullrich, Hannes; Hannane, Jonas; Peukert, Christian; … - 2024
Tracking online user behavior is essential for targeted advertising and is at the heart of the business model of major online platforms. We analyze tracker-specific web browsing data to show how the prediction quality of consumer profiles varies with data size and scope. We find decreasing...
Persistent link: https://www.econbiz.de/10014632380
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The limits of trust in economic transactions : investigations of perfect reputation systems
Bolton, Gary E. (contributor); Ockenfels, Axel (contributor) - 2008
Persistent link: https://www.econbiz.de/10003635261
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Platform competition and information sharing
Petropoulos, Georgios; Martens, Bertin; Parker, Geoffrey; … - 2023
Digital platforms, empowered by artificial intelligence algorithms, facilitate efficient interactions between consumers and merchants that allow the collection of profiling information which drives innovation and welfare. Private incentives, however, lead to information asymmetries resulting in...
Persistent link: https://www.econbiz.de/10014365917
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Facebook shadow profiles
Aguiar, Luis; Peukert, Christian; Schäfer, Maximilian; … - 2022
Data is often at the core of digital products and services, especially when related to online advertising. This has made data protection and privacy a major policy concern. When surfing the web, consumers leave digital traces that can be used to build user profiles and infer preferences. We...
Persistent link: https://www.econbiz.de/10012817878
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Privacy regulation and targeted advertising : evidence from Apple's App Tracking Transparency
Aridor, Guy; Che, Yeon-Koo - 2024
We use a novel dataset of online advertiser performance and product sales to quantify the medium-term economic effects of Apple's App Tracking Transparency Policy (ATT). We find that ATT significantly degraded the ability by Facebook advertisers to target advertisements based on its off-platform...
Persistent link: https://www.econbiz.de/10014468980
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Price discovery and trade fragmentation in a multi-market environment : evidence from the MTS system
Caporale, Guglielmo Maria; Girardi, Alessandro - 2011
This paper proposes new metrics for the process of price discovery on the main electronic trading platform for euro-denominated government securities. Analysing price data on daily transactions for 107 bonds over a period of twenty-seven months, we find a greater degree of price leadership of...
Persistent link: https://www.econbiz.de/10009240010
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The determinants and effects of social connectedness in Europe
Bailey, Michael; Kuchler, Theresa; Russel, Dominic; … - 2020
We use aggregated data from Facebook to study the structure of social networks across European regions. Social connectedness declines strongly in geographic distance and at country borders. Historical borders and unions - such as the Austro-Hungarian Empire, Czechoslovakia, and East/West Germany...
Persistent link: https://www.econbiz.de/10012219384
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Promise not fulfilled : FinTech, data privacy, and the GDPR
Dorfleitner, Gregor; Hornuf, Lars; Kreppmeier, Julia - 2021
This article analyzes how the General Data Protection Regulation (GDPR) has affected the privacy practices of FinTech firms. We study the content of 308 privacy statements respectively before and after the GDPR became binding. Using textual analysis methods, we find that the readability of the...
Persistent link: https://www.econbiz.de/10012649756
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The impact of consumer protection in the digital age : evidence from the European Union
Rösner, Anja; Haucap, Justus; Heimeshoff, Ulrich - 2020
We investigate the effect of an EU-wide consumer protection regulation on consumer trust as well as consumer behavior. The Unfair Commercial Practice Directive (UCPD) was implemented by EU member states between 2007 and 2010. We utilize data from the Special and Flash Eurobarometer for the years...
Persistent link: https://www.econbiz.de/10012157233
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The Ifo Investment Database
Strobel, Thomas; Sauer, Stefan; Wohlrabe, Klaus - 2013
In this paper we present the Ifo Investment Database, which provides annual investment data for 12 investment assets in … allows allocating investments by asset type to each industry, using an investment flow matrix. The database enables … investments. We describe the structure and methodology of the database and illustrate its variety and strengths by looking at some …
Persistent link: https://www.econbiz.de/10009721990