Showing 1 - 10 of 63
This paper determines whether the VaR estimation is influenced by conditional distribution of return rates (normal, t-student, GED) and attempts to choose the model which best estimates VaR on a selected example. We considered logarithmic return rates for the WIG-20 index from 1999-2011. Then,...
Persistent link: https://www.econbiz.de/10010009392
This paper aims at testing the influence of Subprime Crisis on Chinese stock market returns. By means of newly proposed time series spatial analysis methodology, we investigate the dominance behavior of daily returns on both Shanghai Stock Exchange Composite Index and Shenzhen Stock Exchange...
Persistent link: https://www.econbiz.de/10010118417
In this study, a vector autoregression (VAR) model with time-varying parameters (TVP) to predict the daily Indian rupee (INR)/US dollar (USD) exchange rates for the Indian economy is developed. The method is based on characterization of the TVP as an optimal control problem. The methodology is a...
Persistent link: https://www.econbiz.de/10009958060
This study examines the impact of volatility shifts on volatility persistence for three major sector indices of Istanbul Stock Exchange (ISE) and ISE National 100 index over the period beginning from 1997 and ending in 2009. The exponential generalized autoregressive conditional...
Persistent link: https://www.econbiz.de/10009958079
Although London appeared as the first international financial center on the world, the number of these kind of centers show a notable increase in the recent years. Those centers are regarded as magnetic places for the economic issues and they also serve as important economic centers. In the...
Persistent link: https://www.econbiz.de/10010058686
It is a well-known fact that most of the asset returns tend to be skewed and heavytailed. Heavy tailed distributions such as the Student’s t distribution and Stable distribution are commonly used in finance to model asset returns that areheavy tailed. Additionally, Stable distribution allows...
Persistent link: https://www.econbiz.de/10010058691
The western pension systems and especially the Spanish one will noticeably be a®ected by an aging of the population that is currently underway. This work proposes a pension model for Spain which would mean deep structural reforms that would guarantee meeting the objectives established by a...
Persistent link: https://www.econbiz.de/10009957384
Grey system theory can powerfully deal with incomplete and uncertain information. In this paper, we introduced an improved grey GM(1,1) model that integrates residual modification with Markov chain model. By this model, we improved the forecast accuracy of original grey forecast model and...
Persistent link: https://www.econbiz.de/10009958471
This paper develops a framework for evaluating the importance of the arrival of new information for forecasting, estimation, and decision making. By fusing known and recently developed statistical tests and concepts, the paper provides guidelines for detecting outliers, influential observations,...
Persistent link: https://www.econbiz.de/10009959113
Company valuation is not done after having generated a few values being a result of applying different valuation methods. In many cases institutions ordering the valuation request a value which can be an equivalent of a market, transactional value. Often the one method (and the valuation...
Persistent link: https://www.econbiz.de/10009959718