“…First, performance can be measured in terms of transaction efficiency, which, turn, can be expressed as transaction cost reductions (Lee & Clark, 1996;Malone et al, 1987;Srinivasan et al, 1994) and lower prices (Bakos, 1991(Bakos, , 1997(Bakos, , 1998. Lower prices can result from an increased ability to negotiate better prices with suppliers due to an increase in industry competition brought about by easier price identification using EC technologies (Bakos, 1991).…”