Two templates are provided: 1) beamer-TEMPLATE-GR.tex : official beamer TeX template for the postgraduate course "Applied Economics and Data Analysis". The template supports and uses greek and english. 2) beamer-GENERIC-TEMPLATE-GR.tex: a generic TeX template. Students can use this template and modify it accordingly in case they do not want to use the official one (i.e. beamer-TEMPLATE-GR.tex). Students are free to modify the template as they see fit. Supports and uses greek and english.