TY JOUR TI The efficiency of government expenditures policies: use of dummy variables in the regression building of Armey — Rahn curve KW Armey — Rahn curve KW Scully point KW the GDP growth KW the share of government expenditures in GDP KW dummy variables KW regression modeling JO Russian Journal of Management AU Goridko, N.. PY 2015 IS 3 PB Publishing Center RIOR