The author challenges prior fixed effects analyses of the relationship between income inequality and population health. He argues that the temporal relationships are likely to be complex and that fixed effects approaches, though important for addressing confounding, are poorly equipped to...

The model of Technical Analysis goes against the fulfillment of the weak form of the Hypothesis of Efficient Market raised by Fama (1970). Nevertheless, recently some studies provide evidence with probable prediction of the expected returns based on the past returns. In particular, the...