In the present paper an analysis of the neo-classical optimization model with linear constraints is proposed. By introducing the dual problem it is shown that the solution to the maximization problem is also a solution to the minimization problem. The purely theoretical model proposes a...

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...

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,...

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...

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...

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...

In this paper, a fuzzy multiobjective mathematical programming model for operational transport planning in a supply chain is presented. The objectives of the proposed model are the minimization of the number of used trucks and the total inventory level, by considering vehicle capacities as a...

This paper presents a critical analysis of some of the techniques which are applied in practice to obtain composite indicators from a previous sub-indicator system. In studying each methodology, we identify the advantages and disadvantages associated with them, paying particular attention to...

This paper analyzes the importance of having a network of stations adapted to vehicles carrying dangerous goods. In the r̄st place, it is studied the current demand which is offered by the existing parking areas, and in the second place, it is explained a maximum coverage location model in...