This paper reviews some recent developments in digital currency, focusing on platform-sponsored currencies such as Facebook Credits. In a model of platform management, we find that it will not likely be profitable for such currencies to expand to become fully convertible competitors to state-sponsored currencies. JEL Classification: D42, E4, L51 Bank Classification: bank notes, economic models,...

Abstract: This paper presents a one factor and a two factor arbitrage-free interest rate models with parsimonious implied volatility functions. The models are empirically tested on the entire swaption surface in three currencies (U. S. dollar, Euro and Japanese yen) over a five year period. They are shown to be robust in explaining the swaption values, and the implied volatility functions are s...

By analyzing the foreign exchange market data of various currencies, we derive a hierarchical taxonomy of currencies constructing minimal-spanning trees. Clustered structure of the currencies and the key currency in each cluster are found. The clusters match nicely with the geographical regions of corresponding countries in the world such as Asia or East Europe, the key currencies are generally...

Many pricing and risk management models need credit spread curves as an input. Given the small number of bonds outstanding per issuer the estimation of credit spread curves is not trivial in the corporate bond market. To ensure a sufficient number of bonds for the estimation procedure in many cases bonds in different currencies have to be used which implies that the estimation procedure has to ...

The rising popularity of loyalty programs and related marketing promotions has resulted in the introduction of a number of new currencies (e.g., frequent flier miles, Hilton HHonors points, Diner’s Club “Club Rewards”) that people accumulate, budget, save and spend much like traditional paper money. As consumers are increasingly able to pay for goods and services such as airline travel, hotel s...

The aim of this paper is to examine indications for a common currency system on the Internet for spontaneous transactions. First the framework for such a currency system and the theoretical background on common currencies are discussed. Examples of common currencies already in use are evaluated according to a set of criteria developed by the authors. Furthermore the theoretical ideas and the in...

Crypto-currencies, like Bitcoins, are a relatively recent phenomena on the online Internet landscape and an emerging force in the financial sector. While not conforming to traditional institutional practices, they are gaining increasing acceptance as viable commercial currencies. With this technology presenting new opportunities, and its future largely dependent on external challenges, this con...

Email: [email protected] Abstract: In recent years, ideas about crypto currencies with interesting and new for today monetary principles becoming more and more popular. The crypto currencies’ met different attitude to it new for the world finances principals. There are different talks. Ones think that it may improve monetary system, others think that it is a toy money that may cause instability a...

This paper proposes a design for complementary community currencies for education communities to boost cooperation of the more advanced students with the less advanced ones. Its design follows two goals: motivating students to learn by doing extra homework (effort) and share knowledge with younger students (tutoring), and shifting the role of teachers towards a more supervisory, tutoring and dy...

Digital currencies have emerged as a new fascinating phenomenon in the financial markets. Recent events on the most popular of the digital currencies--BitCoin--have risen crucial questions about behavior of its exchange rates and they offer a field to study dynamics of the market which consists practically only of speculative traders with no fundamentalists as there is no fundamental value to t...