• "How Q and Cash Flow Affect Investment without Frictions:  An Analytic Explanation," August 2008, revised, November 2008, with Janice C. Eberly. [previous versions circulated as "Q Theory Without Adjustment Costs & Cash Flow Effects Without Financing Constraints."]
  • "Optimal Inattention to the Stock Market with Information Costs and Transactions Costs," May 2007, revised April 2009, with Janice C. Eberly and Stavros Panageas.
  • "Optimal Capital Income Taxation," February 2006, revised August 2007.
  • "Investment, Valuation, and Growth Options," May 2003, revised October 2005, with Janice C. Eberly.
  • "Investment, q with Fixed Costs: An Empirical Analysis," January 1996, revised 2001, with Janice C. Eberly.
  • "Asset Prices under Heterogeneous Beliefs: Toward a Resolution of the Equity Premium Puzzle," Rodney L. White Center for Financial Research, Working Paper No. 9-89, February 1989.
  • "The Long-Run Effects of Fiscal Policy under Altruism and Endogenous Fertility," revised February 1986.