In this paper we present, propose and examine additional membership functions as also we propose least squares with genetic algorithms optimization in order to find the optimum fuzzy membership functions parameters. More specifically, we present the tangent hyperbolic, Gaussian and Generalized...

We examine various and different approaches for the prediction of economic crisis periods of US economy. We examine the traditional econometric discrete choice Logit and Probit models then a feed-forward neural network (FFNN) model and finally we apply an Adaptive Neuro-Fuzzy Inference System...

This study examines the relationship between recycling rate of solid waste and air pollution using data from a waste municipality survey in the state of Massachusetts during the period 2009-2012. Two econometric approaches are applied. The first approach is a fixed effects model, while the...

Ground-level ozone is an important pollutant regulated under the Clean Air Acts that affects respiratory morbidity, decreases lung function, and negatively affects those with existing respiratory conditions like asthma. This study examines the “Clean Air Works” program on ozone concentration...

This study examines the relationship between recycling rate of solid waste and air pollution in UK using the British Household Panel Survey (BHPS) considering various demographic, economic and regional factors. The findings support an inverted U-shaped curve between recycling rate and air...

This study explores the relationship between self-reported well-being and recycling rates. The estimates are based on Britain using data from the British Household Panel Survey. The effects of recycling rates on individuals’ happiness are estimated. Two approaches are followed. The first...

For hundred years the future was occupying the persons. The ancient Greeks, the Romans, the Egyptians, the Indians, the Chinese and other great ancient cultures, but also the modern, as the English, Germans and the Americans and with the help of the development of technology and computers they...

In this project we aren't trying to make a criticism in the theory and the indications of Solow and Keynes. And so correctly as Keynes comments very equitably... "Moreover, the characteristics of special case, which the classic theory was accepting, happened to be not those of economy in which...

In this project we will analyse specific economic factors of O.U.T.A. (Organism of Urban and Transportations of Athens. O.U.T.A. is a legal person of private law and was established in according to the law 2175/1993, as a successor of O.U.T. (Organism of Urban and Transportations). O.U.T. was...

The significance of stability of P.C.I. (Price consumer index) is reported in the situation of economy in which the price consumer index does not present tendencies of important change so much to inflation, - as down, - deflation. This is also the aim of E.E. (European Union), to maintain in a...