This article tries to study the effect of structural, relational and cognitive social capitals on employees’ organizational commitment along with the various dimensions of such a commitment. The research is conducted in descriptive-correlation method. The population of the research consists of governmental banks in the city of Kerman including Bank Melli Iran, Bank Mellat, Bank Tejarat, Bank Re...

     The objective of this paper is to investigate, via relational model of two-stage data       envelopment analysis, the efficiency decomposition in a two-stage production process where the outputs of the first stage are the inputs of the second stage. Unlike previous studies which used to treat the whole production process and the two sub-processes as in-dependent, this paper takes the serie...