Understanding the History of the World

Economics is not quantitative and does not measure because there are no constants. Statistical figures referring to economic events are historical data. They tell us what happened in a non repeatable historical case. Technology can tell us how thick a steel plate must be in order not to be pierced by a bullet fired at a distance of 300 yards from a winchester rifle. It can thus answer the question why a man who took shelter behind a steel plate of a known thickness was hurt or not hurt by a shot fired. History is at a loss to explain with the same assurance why there was a rise in the price of milk of ten %, or why president roosevelt defeated governor dewey in the