In a world where young blacks, especially, are bombarded with claims that they are being unfairly targeted by police, and where a general attitude of… - Thomas Sowell

Age gives you an excuse for not being very good at things that you were not very good at when you were young.

It is unnecessary to attempt any general rule as to where the overall balance lies in comparing the respective costs of knowledge in larger and smaller decision-making units. What is important is to understand that (1) the respective cost advantages of the large and small units differ according to the kind of knowledge involved (general versus specific), that (2) most decisions involve mixtures of the two kinds of knowledge, so that the net advantages of the larger and smaller units vary with the kind of decision, and (3) the effectiveness of hierarchical subordination varies with the extent to which the subordinate unit has knowledge advantages over the higher unit.

Key indicators require some specified time span during which they are to be tabulated for purposes of reward or penalty. The time span can vary enormously according to the process and the indicator.