Simply put, greater throughput can be achieved by working on the bottleneck constraints. A basic principle of TOC is that the unpleasant problems or 'undesirable effects' we experience in a field such as project management are usually the result of relatively few core problems. I recommend this as complementary reading after Critical Chain . Almost all executives and professionals are involved in project management and can benefit from ideas contained in this book. That is, most all the critical path activities involve process with the rotary table.
Portfolio theory is flawed .
Dr. Mandelbrot demonstrates convincingly that random deviations from a normal distribution do not characterize actual prices movements. With the customary theory, large fluctuations, e.g., greater than 10 standard deviations, would be extremely rare. A sunk cost is money spent in the past. Finishing the large pizza beyond the point of being full. Earlier losses are simply written off.