In this master’s work are formulated the definitions of wage and it‘s differentiation, analyzed and organized theoretical wage functions, systems and models presented by Lithuanian and foreign authors. Also shown the minimum-wage influence to income differentiation. Discussed main economical factors that influence wage differentiation. Made a detailed analysis of wage distribution in the country depending on various factors and determinated the correlation bonds between them, also assessed the potential reduction of wage differentiation. The research hypothesis that during the economic upturn wage differentiation has a tendency to go up and during the economic downturn to go down is confirmed.

Raktažodžiai: Wage, economical factors, differentiation