Andrew Urquhart

TL;DR: In this article, the authors study the market efficiency of Bitcoin and find that returns are significantly inefficient over the full sample, but when split into two subsample periods, some tests indicate that Bitcoin is efficient in the latter period.

TL;DR: A systematic review of the empirical literature based on the major topics that have been associated with the market for cryptocurrencies since their development as a financial asset in 2009 is presented in this article, where the authors provide a systematic analysis of the main topics that influence the perception of cryptocurrencies as a credible investment asset class and legitimate of value.

TL;DR: In this paper, the authors investigated whether Bitcoin can act as a hedge or safe haven against world currencies and found that Bitcoin is a safe haven during periods of extreme market turmoil for the CAD, CHF and GBP.

TL;DR: In this paper, the authors examined the relationship between investor attention and Bitcoin fundamentals and found that realized volatility and volume are both significant drivers of next day attention of Bitcoin. But why has Bitcoin received such attention?

TL;DR: In this paper, the authors study the behavior of Bitcoin prices and find significant evidence of clustering at round numbers, with over 10% of prices ending with 00 decimals compared to other variations but there is no significant pattern of returns after the round number.