Table 2.

Control variables definition and sources

Control variablesDefinitionSource
SizeTotal number of students enrolled at university, rescaled in thousandsMinistry of university database
STEM faculty ratioProportion of faculty members specializing in science, technology, engineering and mathematics (STEM)
TuitionAverage tuition fees paid by students, rescaled in thousands
The dummyDummy equals to 1 if the university is ranked in THE ranking for the year under consideration, 0 otherwiseTHE website
RUSDummy equals to 1 for year from year 2015 onwardsRUS website
PNRRDummy equals to 1 for year from year 2021 onwardsMinistry of university database

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