The investigation of causal relations between economic phenomena presents many problems of peculiar difficulty, and offers many opportunities for fallacious conclusions. Since the statistician can seldom or never make experiments for himself, he has to accept the data of daily… — Udny Yule Copy Share Image
In our lust for measurement, we frequently measure that which we can rather than that which we wish to measure... and forget that there… — Udny Yule Copy Share Image
The investigation of causal relations between economic phenomena presents many problems of peculiar difficulty, and offers many opportunities for fallacious conclusions. Since the statistician… — Udny Yule Copy Share Image
