International commodity market arbitrage and its corollary, the law of one price, are generally based on moving the commodity between markets to exploit price differences, making allowance for prevailing exchange rates. This form of arbitrage is clearly impossible for services and immobile...

We examine the relationship between national culture and a country’s Bitcoin usage. Given that Bitcoin is a high-risk currency/investment that is frequently used for illegal purposes and whose market is relatively opaque, we focus on the cultural dimension of individualism, which has been...

The COVID-19 pandemic has caused some of the largest - and fastest - market dislocations in modern history. Contemporaneous with the significant fall in equity market values is the evaporation of market liquidity. We show that transactions costs increase sharply in a coordinated fashion across...

Cryptocurrencies are among the largest unregulated markets in the world. We find that approximately one-quarter of bitcoin users are involved in illegal activity. We estimate that around $76 billion of illegal activity per year involves bitcoin (46% of bitcoin transactions), which is close to...