Showing 1 - 10 of 59
In this paper we compare the performance of the Differential Evolution (DE) and the Repulsive Particle Swarm (RPS) methods of global optimization. To this end, seventy test functions have been chosen. Among these test functions, some are new while others are well known in the literature; some are...
Persistent link: https://www.econbiz.de/10005835615
The method of forecasting seasonal demand applying genetic algorithm is presented. Specific form of used demand function is shown in the first section of the article. Next the method of identification of the function parameters using genetic algorithms is discussed. In the final section an...
Persistent link: https://www.econbiz.de/10009325664
The design of supply chain networks subject to disruptions is tackled. A genetic algorithm with the objective of minimizing the design cost and regret cost is developed to achieve a reliable supply chain network. The improvement of supply chain network reliability is measured against the supply...
Persistent link: https://www.econbiz.de/10011107294
The selection of optimal portfolios is the central problem of financial investment decisions. Mathematically speaking, portfolio selection refers to the formulation of an objective function that determines the weights of the portfolio invested in each asset as to maximize return and minimize...
Persistent link: https://www.econbiz.de/10011110561
The objective of this paper is to develop an algorithm to create an Optimum Portfolio from a large pool of stocks listed in a single market index SPX 500 Index: USA (for example) using Genetic Algorithm. The algorithm selects stocks on the basis of a priority index function designed on company...
Persistent link: https://www.econbiz.de/10011113591
The nearest correlation matrix problem is to find a valid (positive semidefinite) correlation matrix, R(m,m), that is nearest to a given invalid (negative semidefinite) or pseudo-correlation matrix, Q(m,m); m larger than 2. In the literature on this problem, 'nearest' is invariably defined in...
Persistent link: https://www.econbiz.de/10005789841
The present study wants to analysis the relations of causality and the effects of the imports of energy in economic growth of the USA. VAR methodology associated with Granger causality analyses are used to investigate the relations between energy imports, investment and employment. The results...
Persistent link: https://www.econbiz.de/10005836677
This study attempts to examine empirically dynamic causal relationships between carbon emissions, energy consumption, income, and foreign trade in the case of Turkey using the time series data for the period 1960-2005. This research tests the interrelationship between the variables using the...
Persistent link: https://www.econbiz.de/10005837055
Tests results for causality between energy consumption and economic growth do not have a consensus in the financial economics literature. Empirical evidence varies on the economies examined and methodology employed. This paper proposes a wavelet analysis as a semi- parametric model for detecting...
Persistent link: https://www.econbiz.de/10005837189
This paper investigates the dynamic causal relationship between financial development, energy consumption and economic growth in Lebanon over the period 1993M1-2010M12.Our findings confirm the existence of cointegration among the variables. The results indicate that financial development and...
Persistent link: https://www.econbiz.de/10011257783