the latest column from Walter Williams
Straight Thinking 101
Just about the most difficult lesson for first-year economics students, and sometimes graduate students, is that economic theory, and for that matter any scientific theory, is positive or non-normative. You might ask, "What's this business about positive and normative?" It's easy. Positive statements deal with what was, what is or what will be. Normative, or subjective, statements deal with what's good or bad, or what ought to be or should be. Confusing the two leads to considerable mischief.
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