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, these two equations imply that (3) the recurring, "flow", payments to miners for running the blockchain must be large … versus stock) if both (i) the mining technology used to run the blockchain is both scarce and non-repurposable, and (ii) any … majority attack is a "sabotage" in that it causes a collapse in the economic value of the blockchain; however, reliance on non …
Persistent link: https://www.econbiz.de/10012453003
We construct novel text-based measures of firm-level cyber risk exposure based on quarterly earnings calls of 12,000+ firms from 85 countries over 20+ years. We categorize each cyber-related discussion into topics that capture sentiment, monetary loss, country names, etc. We document new facts...
Persistent link: https://www.econbiz.de/10012585390
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/10012482415
This paper reviews the economic literature on the European Union's General Data Protection Regulation (GDPR). I … highlight key challenges for studying the regulation including the difficulty of finding a suitable control group, variable firm … compliance and regulatory enforcement, as well as the regulation's impact on data observability. The economic literature on the …
Persistent link: https://www.econbiz.de/10013477197
, blockchain transparency and digital footprints enable effective forensics for tracking, monitoring, and shutting down dominant …
Persistent link: https://www.econbiz.de/10013537728
When is record-keeping better arranged through a blockchain than through a traditional centralized intermediary? The … out a blockchain trilemma: no ledger can satisfy all three properties simultaneously. A centralized record-keeper extracts …
Persistent link: https://www.econbiz.de/10012481054
Permissionless blockchains were constructed with a view to being sustainably secure. At the heart of blockchain … propose blocks that would be added to the blockchain. A key rationale for that cost was to make attacks on the network, which …
Persistent link: https://www.econbiz.de/10014322860
Data is nonrival: a person's location history, medical records, and driving data can be used by any number of firms simultaneously. Nonrivalry leads to increasing returns and implies an important role for market structure and property rights. Who should own data? What restrictions should apply...
Persistent link: https://www.econbiz.de/10012480204
In this paper we study how the existence of a functioning market for technology differentially conditions the entry strategy and survival of different types of entrants, and the role of scale, marketing ability and technical assets. Markets for technology facilitate entry of firms that lack...
Persistent link: https://www.econbiz.de/10012465005
Thanks to big data, artificial intelligence (AI) has spurred exciting innovations. In the meantime, AI and big data are reshaping the risk in consumer privacy and data security. In this essay, I first define the nature of the problem and then present a few facts about the ongoing risk. The bulk...
Persistent link: https://www.econbiz.de/10012453461