This paper proposes a new instrumental variables estimator for a dynamic panel model with .xed e¤ects with good bias and mean squared error properties even when identi.cation of the model becomes weak near the unit circle. We adopt a weak instrument asymptotic approximation to study the...

.

America's aging coupled with high and growing old age health and pension benefits augers for much higher payroll taxes, with damaging effects on the U.S. economy. This prognosis is supported by our analysis of a detailed dynamic life-cycle general equilibrium model. The FairTax, which proposes...

Should the law restrict liability of defaulting borrowers? We abstract from possible benefits arising from limited rationality or risk-aversion of borrowers, contractual incompleteness, or lender moral hazard. We focus instead on general equilibrium implications of liability rules with moral...

Until the early decades of the 20th century, women spent more than 60% of their prime- age years either pregnant or nursing. Since then, improved medical knowledge and obstetric practices reduced the time cost associated with women?s reproductive role. The introduction of infant formula also...