1 Academy of Sport and Physical Activity, Faculty of Health and Wellbeing, Sheffield Hallam University, Collegiate Campus, Sheffield, UK. 2 Academy of Sport and Physical Activity, Faculty of Health and Wellbeing, Sheffield Hallam University, Collegiate Campus, Sheffield, UK. 3 Faculty of Educational Sciences and Sports, University of Vigo, Spain. Authors submitted their contribution of the art...

â â â â â â â â â â â  â  abstract â  the foreign exchange market (fx market) accounts for 40% of the total volume of the world’s e-commerce by its own. based on statistics, sometimes up to 90 per cent of the traders lose their total capital in this market just within six months to one year and leave this market. the probability of loss in the fx market can be estimated by probability theory....

This paper examines the effects of inflation and currency substitution volatility on the average rates of inflation and currency substitution for twelve emerging market economies. Using a bivariate GARCH-in-Mean model, which accommodates for asymmetric and spillover effects of inflation and currency substitution innovations on their volatilities, we find that for the majority of the countries i...

This paper examines how unhedged currency exposure of firms varies with changes in currency flexibility. A sequence of four time-periods with alternating high and low currency volatility in India provides a natural experiment in which changes in currency exposure of a panel of firms is measured, and the moral hazard versus incomplete markets hypotheses tested. We find that firms carried higher ...

The Interactions between Debt and Currency Crises – Common Causes or Contagion? In contrast to the well-known twin currency and banking crises the literature has so far neglected a second type of twin crises, the simultaneous occurrence of currency and debt crises. The decision of a government to devalue and/or to default is closely interlinked through the government’s intertemporal budget cons...

Currency trading is a vast and highly profitable business. This review examines the profitability of two popular currency trading strategies in light of currency-market microstructure research. The carry-trade strategy involves borrowing a low-interest currency and investing the proceeds in a high-interest currency. Technical trading strategies are determined exclusively on the basis of past as...

We present an empirical investigation into the prevalence and impact of distributed denial-of-service (DDoS) attacks on operators in the Bitcoin economy. To that end, we gather and analyze posts mentioning “DDoS” on the popular Bitcoin forum bitcointalk.org. Starting from around 3 000 different posts made between May 2011 and October 2013, we document 142 unique DDoS attacks on 40 Bitcoin servi...

The article is devoted to analysis of currency quotes behavior on the currency market by defining dynamic changes over time. The main tool of fractal analysis is the Hurst under the hypothesis of fractal market. For 17 major currency pairs on closing prices and the prices maximum-minimum the Hurst index is calculated by formula for the adjusted R/S analysis. Values at the currency markets of di...