happiness in the Euro area economies of the European Union by highlighting the theoretical assumptions behind the concept and … expression of the shadow economy and happiness. Research methodology - to calculate the size of the shadow economy will be used … Gutmann's index. To calculate the happiness of the economies will used the Happiness Economy Index from the World Happiness …

Work happiness is commonly described as an umbrella concept encompassing job satisfaction, engagement, and emotional … happiness can be better understood by distinguishing between its sources (antecedents) and emotional expressions (outcomes). In … happiness and the emotions involved. Thematic analysis identified five source-related themes, which informed the development of …