Which one is better? Operating cash flow (OCF)? Earnings before extraordinary items (EBEI)? Earnings before interest and tax (EBEI)? Economic value added (EVA)? Market value added (MVA)? Free cash flow (FCF)? Net operating profit after taxes (NOPAT)? Free cash flow (FCF)? Why do we have so many measures? Which one is better for an investor? For an analyst? For society?

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