TY - JOUR T1 - Measurement of Economics to Scale in Corporates of Tehran Stock Exchange JF - Advances in Mathematical Finance and Application (AMFA) Y1 - 2019, LA - EN LK - ensani.ir VL - 2019, IS - 4 UR - http://ensani.ir/fa/article/410915 SP - 19 EP - 37 ID - 410915 AU - وحید محمودی AU - محمدحسین قائمی AU - حسین کاظمی KW - Economics to scale KW - Nonlinear behavior of costs KW - Production Function ER -