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X-Efficiency

X-Efficiency What is 'X-Efficiency' X-efficiency is the degree of efficiency maintained by individuals and firms under conditions of imperfect competition. According to the neoclassical th

Xetra

Xetra What is 'Xetra' An all-electronic trading system based in Frankfurt, Germany. Launched in 1997 and operated by the Deutsche Börse, the Xetra platform offers increased flexibility fo