Barnett, William; Serletis, Apostolos - Department of Economics, University of Kansas - 2009
�erential demand systems, Theoretical regularity, Econometric regu-
larity.
Serletis gratefully acknowledges �nancial support from the … + 2 23 + 33.
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6 Regularity
6.1 Theoretical Regularity
As already noted, adding-up, linear homogeneity, and symmetry …
5
has a determinant whose value is zero (or near zero).
If theoretical regularity (that is, negative semide�niteness of …