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Ad networks, consumer tracking, and privacy
D'Annunzio, Anna; Russo, Antonio - 2017 - This version: September 2017
We study the relation between ad networks, consumer privacy and the online advertising market. We consider two publishers that can outsource their ad inventories to an ad network, in a market where consumers and advertisers endogenously multi-home. Differently from publishers, the ad network...
Persistent link: https://www.econbiz.de/10011723426
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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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Cybersecurity risk
Florackis, Chris; Louca, Christodoulos; Michaely, Roni; … - 2020
We develop a novel firm-level measure of cybersecurity risk using textual analysis of cybersecurity-risk disclosures in corporate filings. The measure successfully identifies firms extensively discussing cybersecurity risk in their 10-K, displays intuitive relations with quantitative measures of...
Persistent link: https://www.econbiz.de/10012387622
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Non-linearities, cyber attacks and cryptocurrencies
Caporale, Guglielmo Maria; Kang, Woo-Young; Spagnolo, Fabio - 2019
This paper uses a Markov-switching non-linear specification to analyse the effects of cyber attacks on returns in the case of four cryptocurrencies (Bitcoin, Ethernam, Litecoin and Stellar) over the period 8/8/2015 - 28/2/2019. The analysis considers both cyber attacks in general and those...
Persistent link: https://www.econbiz.de/10012026468
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An economic analysis of blockchains
Waelbroeck, Patrick - 2018
The blockchain is a technology that goes beyond timestamping, bitcoin and secure financial transactions. The development of an ecosystem around smart connected objects will probably not happen without the blockchain (in one form or another). The blockchain opens the door to the liquification of...
Persistent link: https://www.econbiz.de/10011794645
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Cyber-attacks and cryptocurrencies
Caporale, Guglielmo Maria; Kang, Woo-Young; Spagnolo, Fabio - 2020
This paper provides some comprehensive evidence on the effects of cyber-attacks on the returns, realized volatility and trading volume of five of the main cryptocurrencies (Bitcoin, Ethereum, Litecoin, XRP and Stellar) in 99 developed and developing countries. More specifically, it investigates...
Persistent link: https://www.econbiz.de/10012171767
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Cyber attacks, spillovers and contagion in the cryptocurrency markets
Caporale, Guglielmo Maria; Kang, Woo-Young; Spagnolo, Fabio - 2020
This paper examines mean and volatility spillovers between three major cryptocurrencies (Bitcoin, Litecoin and Ethereum) and the role played by cyber attacks. Specifically, trivariate GARCH-BEKK models are estimated which include suitably defined dummies corresponding to different types, targets...
Persistent link: https://www.econbiz.de/10012219891
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Cybercrime on the ethereum blockchain
Hornuf, Lars; Momtaz, Paul; Nam, Rachel J.; Yuan, Ye - 2023
We propose a taxonomy of cybercrime on the Ethereum blockchain and examine how cybercrime impacts victims' risk-taking and returns. Our difference-in-differences analysis of a sample of victims and matched non-victims suggests that victims increase their long-term total risk-taking and earn...
Persistent link: https://www.econbiz.de/10014323138
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Net neutrality and internet fragmentation : the role of online advertising
D'Annunzio, Anna; Russo, Antonio - 2015 - This version: July 2015
We investigate the relation between Net Neutrality regulation and Internet fragmentation. We model a two-sided market …, where Content Providers (CPs) and consumers interact through Internet Service Providers (ISPs), and CPs sell consumers … identify an important link between termination fees, the online advertising market and Internet fragmentation. We extend the …
Persistent link: https://www.econbiz.de/10011305392
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Piracy of digital products : a critical review of the economics literature
Peitz, Martin; Waelbroeck, Patrick - 2003
Digital products have the property that they can be copied almost costlessly. This makes them candidates for non-commercial copying by final consumers. Because the copy of a copy typically does not deteriorate in quality, copying products can become a wide-spread phenomenon this can be...
Persistent link: https://www.econbiz.de/10011511066