As in the case with perfect foresight, under conditions of uncertainty investors respond to changes in the assets' relative returns. An increase in the expected return of one asset here typically (if both assets are not perfectly correlated) induces a shift, but not a plunge toward that asset....

One of the principles derived from the rule of law is that laws should not be retroactive. Taking into account that the rule of law is inherent to the ECHR, the question arises as to how the ECtHR judges retroactive tax legislation. This question is particularly emerging since retroactive tax...