"Correlation doesn't imply causation, but it does waggle its eyebrows suggestively and gesture furtively while mouthing 'look over there.'" Randall Munroe, Science & Math Cartoonist Chances are when ...
Journal of Productivity Analysis, Vol. 37, No. 1 (February 2012), pp. 17-25 (9 pages) In this paper, we measure U.S. technology shocks by implementing a dual approach, which is based on price data ...
a trade-off between inflation and unemployment, that is, a negative correlation between inflation and unemployment. Ten years later, in the mid-sixties, the American economist Arthur Okun developed ...