This paper uses a theoretical model to analyse the dynamic relationship of virtual currency with fiat currency. The model demonstrates that the price impact of potential users and speculators in virtual currencies adversely affects their property as a medium of exchange and renders a crowding...

Bitcoin is defined as digital money within a decentralized peer-to-peer payment network. It is a hybrid between fiat currency and commodity currency without intrinsic value and independent of any government or monetary authority. This paper analyses the question of whether Bitcoin is a medium of...

We unite investment by speculators and tech-savvy investors with a heterogeneous agent model.While speculators seek to profit from extrapolating the price trends, tech-savvy investors trade based on the prospective value of Bitcoin, which is a function of factors that capture the market demand...

How pervasive is the use of cryptocurrencies to evade capital controls? We develop a new method that exploits blockchain data to identify cross-border flows that circumvent controls via cryptocurrencies. Applying the method to China, we find that capital flight volume is over one-quarter of...