Efficiency Finance Innovation Six Sigma 
Harvard Business Review
MAY 13, 2014
Under CEO Jack Welch in the 1980s and 1990s, they adopted operational efficiency approaches (“ Workout ,” “Six Sigma,” and “Lean”) that reinforced their success and that many companies emulated. But, as befits a company that has been around for 130 years, GE is moving on.
Harvard Business Review
MAY 1, 2017
So, in real terms, debt financing is essentially free. Accordingly, business leaders sought to improve efficiency by employing Six Sigma, process reengineering, spans and layers, and other tools. Others reward easy-to-measure improvements in existing processes over less-easily-quantified innovations.
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