three months. The results support the speculative nature of beta and the multiplier effect of speculation on demand shocks …

In this article, the author tracks developments in bitcoin trading and considers regulatory responses.Key Points:● 2017 … has witnessed a so-called bitcoin bubble, as entrepreneurs and professional investors rushed into the market to take a bet … on the upcoming cryptocurrency age. The price of a bitcoin exceeded $19,300 in December 2017, worth only $0.06 in July …

Created in 2009, bitcoin reaches record heights every week, having hit $17,000 on 11 December 2017 - the first day a … bitcoin futures contract traded at the CBOE - versus $1,000 in early 2017 and $1 in 2001. Yet there is still no consensus … among economists whether bitcoin comprises a new decentralised currency free of central bank influence, or is a purely …

, asset markets have exhibited high levels of volatility with sharp increases characteristic of speculative bubbles followed … by even sharper crashes. This paper attempts to test the possible presence of nonlinear speculative bubbles in 23 … results indicate the presence of speculative bubbles in all 23 of these markets with increasing incidence over time, which …

We develop a growth model with credit-fueled speculative asset bubbles. In our model, financial intermediaries (banks … collapses. As a consequence, excessively risky (or “toxic”) asset bubbles can emerge despite the fact that all agents are … bubble, a macroprudential tax against bubble speculation, or a macroprudential banking regulation …

financial index investment in recent years did not cause massive bubbles in agricultural futures prices …

Bubbles have become ubiquitous. This ubiquity has stimulated research over the past three decades into bubbles in … history. In this article, we provide a systematic overview of research into historical bubbles. Our analysis reveals that … there is no coherent approach to the study of bubbles and much of the debate has unhelpfully focussed on the rationality …