Empirical tests of the Fisher hypothesis give conflicting results, regardless of whether income growth is accommodated in the estimates. This paper shows theoretically and empirically that standard methods of testing the Fisher hypothesis give biased results and that the bias depends on the...

The sharp increase in equity prices over the 1990s was widely attributed to permanently higher productivity growth derived from the New Economy. This paper establishes a rational expectations model of technology innovations and equity prices, which shows that under plausible assumptions,...

This paper argues that the high historical excess returns to equity are1 a result of a severe ex post bias over the period from 1915 to circa 1960 because inflation surprises during this period drove a wedge between ex ante and ex post returns to bonds. Furthermore, it is shown that ex ante and...