In hedonic regression models of the valuation of works of art, the age at which an artist produces a particular work, or an indicator variable for periods in his or her artistic career, is often found to have highly significant predictive value. Most existing results are based on regressions...

Many non- and semi- parametric estimators have asymptotic properties that have been established under conditions that exclude the possibility of singular parts in the distribution. It is thus important to be able to test for absence of singularities. Methods of testing that focus on specific...

For more than a decade, debates over the impact of new information technologies on trend productivity growth rates have played a key role in the formulation of monetary policy in many countries, including the United States and Canada. However, the question of whether the trend growth rate of...