Science is by definition the creation of causal chains. If I do X in this system, Y will result. Hence the importance of falsifiability and reproducibility. Th

Science is by definition the creation of causal chains. If I do X in this system, Y will result. Hence the importance of falsifiability and reproducibility. This is yet another in a series of economic articles that sound much more like a typical op-ed column than an observation, hypothesis, or proof.