Citation: Bm. Balk, THE DECOMPOSITION OF COST EFFICIENCY AND THE CANONICAL FORM OF COST FUNCTION AND COST SHARE EQUATIONS, Economics letters, 55(1), 1997, pp. 45-51
Citation: Bm. Balk, ON APPROXIMATING THE INDIRECT MALMQUIST PRODUCTIVITY INDEXES BY FISHER INDEXES, JOURNAL OF PRODUCTIVITY ANALYSIS, 6(3), 1995, pp. 195-200