This paper considers the asymptotic distribution of the covariance of a nonstationary fractionally integrated process with the stationary increments of another such process - possibly, itself. Questions of interest include the relationship between the harmonic representation of these random...

This paper investigates the effects of parenting time on macroeconomic outcomes and welfare when parenting choices are determined by own childhood experience and social norms in an overlapping generations framework. Parenting time and material expenditures on children generate children's human...

Tax law is often uncertain. In particular, the use of tax shelters tends to be in the "grey area" between illegal tax evasion and legal tax avoidance. In this paper I show that uncertainty in tax law can help achieve higher efficiency than allowing or disallowing a tax shelter with certainty....