A variance decomposition in the evaluation of the effects of educational policies in economic education, (with J.H. Weiss), Applied Economic Letters, 2009, 16, 239-42.
On the Invariance of a Mean Voter Theorem (with J. Weiss). Journal of Economic Theory, 66 (1): 264-74, 1995.
The Short-Run Aggregate Profit Function and the Capacity Distribution (with L. J. Lau). Scandinavian Journal of Economics, 96 (2): 201-18, 1994.
On Some Generalizations of a Mean Voter Theorem (with J. Weiss). Economics Letters, 42: 185-88, 1993.
Four Tests for the Random Walk Hypothesis: Power versus Robustness (with J. Handa). Economics Letters, 29: 141-45, 1989.