This paper studies the impact of credit rating agency (CRA) downgrade announcements on the value of the Euro and the yields of French, Italian, German and Spanish long-term sovereign bonds during the culmination of the Eurozone debt crisis in 2011-2012. The employed GARCH models show that CRA...

This paper shows that monetary policy does and should respond systematically to time variation in ex-ante uncertainty and heterogeneity in private sector's views over the business cycle. Empirical tests are initially conducted on the basis of an augmented forward-looking Taylor rule framework,...

As bitcoin becomes more important as a worldwide financial phenomenon, it also becomes important to understand its sources of value formation. There are three ways to obtain bitcoins: buy them outright, accept them in exchange, or else produce them by 'mining'. Mining employs computational...

The accurate forecast of the foreign currencies exchange rates at the ultra high frequency electronic trading in the foreign currencies exchange markets is a main topic of our research: 1) the present state of the foreign currencies exchange markets in Asia, Europe and North America; 2) the...

In this paper we provide a mathematical derivation that links traditional time-value-of-money concepts to Metcalfe value, and use Bitcoin, Facebook as numerical examples of the proof. There is compelling evidence that suggests that the growth and price of bitcoin and other cryptocurrencies are...

We address the determination of bitcoin prices and decentralized security. Users forecast the transactional and resale value of holdings, pricing the risk of malicious systemic attacks. Miners contribute resources to protect against attackers, competing for block rewards. Bitcoin's design leads...

There is a high correlation between the returns of cryptocurrencies and those of utility tokens, which are claims to products and services yet to be developed that are issued through ICOs and traded on crypto-exchanges. I demonstrate the presence of a numeraire effect in the pricing of these...

My paper, “Does the Fed control interest rates?” is in the 2013 Review of Asset Pricing Studies (Volume 3, pp. 180-199). The paper finds that the Fed controls the Federal Funds (FF) rate (the overnight rate on interbank borrowing of reserves). Other short-term rates are related to FF, but...

Global warming is likely to have unimaginable disruptions in every aspect of human life by 2050 if some actions are not taken immediately to reduce its fast acceleration. Since the Industrial Revolution (1900s), the global mean surface temperature has warmed up approximately +0.8 °C (1.4 °F)...

Little over a decade has passed since Blockchain gave birth to its prodigy Bitcoin, but Bitcoin despite all the hype (which was referred to as “big bang” by many) failed to become a simple (stable) global crypto-currency for everyday life to enable users worldwide to purchase...