“…In theory, a free economy is defined as the so-called "Arrow-Debreu world," where economy efficiency is guaranteed in general equilibrium (Arrow and Debreu, 1954;McKenzie, 1959;Hart, 1980). In empirical studies, economic freedom has been investigated in other macroeconomic areas, especially those on economic growth (Gwartney et al, 1999;Haan and Sturm, 2000;Heckelman, 2000;Wu and Davis, 1999), income equality (Berggren, 1999;Scully, 2002) and employment (Feldmann, 2007(Feldmann, , 2008.…”