Forecasting as a scientific discipline has progressed a lot in the last 40years, with Nobel prizes being awarded for seminal work in the field, most notably to Engle, Granger and Kahneman. Despite these advances, even today we are unable to answer a very simple question, the one that is always...

Nowadays, informed decision making is conducted through innovative Information and Communication Technology (ICT) support systems. In order to utilize such ICT-based support systems fully, decision makers need suitable training. This paper proposes and evaluates the use of a Forecasting and...

Forecasting the returns from investments in mutual funds is a very difficult problem. This study examines a new forecasting approach and system for the performance of mutual funds in Greece. This is accomplished via an application of a variation of the Theta model on a time series composed of...

Nowadays financial markets are facing continuous values’ fluctuations, resulting in higher risks that eventually influence investors’ decisions. In this article a methodology is proposed in order to efficiently build portfolios of futures. The new methodology is tested on data from the...

The Theta model created a lot of interest in academic circles due to its surprising performance in the M3-competition. However, this interest was not followed by a large number of studies, with the exception of Hyndman and Billah in 2003. The present study discusses the advances in the model...

Forecasting the returns from investments in mutual funds is a very difficult problem. This study examines a new forecasting approach and system for the performance of mutual funds in Greece. This is accomplished via an application of a variation of the Theta model on a time series composed of...

Beets’ cultivation and sugar production represent one of the most important parts of Greek agricultural economy. A careful and well-organized planning of the production as well as the determination of an accurate safety stock is important for sugar industry, as for many other companies and...

This research introduces a specialised information support system that was designed and implemented for project management and financial monitoring in public sector of funded projects, under the Greek National Strategic Reference Framework (NSRF). Its goal was to ensure effective data monitoring...

The Theta model created a lot of interest in academic circles due to its surprisingly good performance in the M3 forecasting competition. However, this interest was not followed up by other studies, with the exception of Hyndman and Billah in 2003. In addition, the Theta model performance has...

Governments often use budget so as to provide incentives for citizens to adopt new policies, especially when these are promoting eco-friendly technologies e.g. to subsidise the price of a hybrid-car. The public money spent on each policy, is considered to be value-for–money only if many...