There are several factors that necessitate the use of bicycle as a non-motorized transportation vehicle. Some of these factors include: Increase of the air pollution, many vehicles traveling simultaneously and creating massive traffic in the urban streets, decrease in the citizens’ physical...

The aim of this study is the elicitation of farmers’ goals through a multi-criteria weighted programming model. This is pursued in the area of Ancient Epidaurus (Peloponnesus), where farming systems comprise various combinations of tree crops, such as olive-, orange- and mandarin- groves. The...

The Modern Portfolio Theory (MPT) has started a revolution in academic and investors’ circles since 1950s. In spite of the popularity of Markowitz’s portfolio selection, many critiques have been emerging throughout the years. One of them is the non normality of empirical return...