In this paper we construct a short run model of the firm describing the behavior of thirteen U.S. airlines during the difficult transition to deregulation. Several modeling scenarios are developed to assess three common assumptions in cost studies: the use of time as a proxy for technological...

Purpose - Bank mobilizes savings and transforms it into credit for investments in various sectors, which helps the economy running. The purpose of this paper is to examine the efficiency of three bank groups in India with data spanning from 2009-2010 to 2018-2019. Design/methodology/approach -...

This paper studies the impact of recent mergers and acquisitions (M&As) on the cost and profit efficiency of banks in Greece. To this end, three methods have been applied: (i) analysis of developments in certain cost and profit indicators and their dispersion for bank groups according to their...