In October, stock prices recorded historically low levels since the bursting of the economic “bubble”. Meanwhile, in early October, the yen surged against the dollar with the emerged uncertainty over the outlook of the US economy.
And analyses may not always reveal all the side effects. In academic literature, peer reviewers often ask researchers to expand their models by changing the underlying assumptions and testing the robustness of the analysis under different conditions. This is time-consuming and prolongs the publication process. And yet it is necessary for quality control when the purpose is to find as universal regularities as possible.