00472naa#a2200169#i#450# EN\\bibl\3069 20240817053938.6 1999-9836 20140617b2014####ek#y0engy0150####ca RUS RU Labour Incentives and Productivity Journal article Moscow All-Russian center of living standards 2014 8 с. Journal article local Rzhanitsyna Lyudmila Sergeevna naukaru.ru