We have given several proofs on the existence of the price equilibrium --- via variational inequality --- via degree theory and via Brouwer's theorems.
@article{118597,
author = {Enayet U, Tarafdar and Harold Bevan Thompson},
title = {On the existence of the price equilibrium by different methods},
journal = {Commentationes Mathematicae Universitatis Carolinae},
volume = {34},
year = {1993},
pages = {413-417},
zbl = {0802.47060},
mrnumber = {1243072},
language = {en},
url = {http://dml.mathdoc.fr/item/118597}
}
Tarafdar, Enayet U,; Thompson, Harold Bevan. On the existence of the price equilibrium by different methods. Commentationes Mathematicae Universitatis Carolinae, Tome 34 (1993) pp. 413-417. http://gdmltest.u-ga.fr/item/118597/
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