//-->
A Parametric Test of the Negativity of the Substitution Matrix.
Kodde, David A, (1987)
Wald Criteria for Jointly Testing Equality and Inequality Restriction s.
Kodde, David A, (1986)
Integrating Consumption and Investment Motives in a Neoclassical Model of Demand for Education.
Kodde, David A, (1984)