Geodesic
On the existence of the price equilibrium by different methods
Commentationes Mathematicae Universitatis Carolinae, Tome 34 (1993) no. 3, pp. 413-417.

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We have given several proofs on the existence of the price equilibrium --- via variational inequality --- via degree theory and via Brouwer's theorems.
Classification : 47H10, 47J20, 90A12, 90A14, 91B50
Keywords: Brouwer degree; variational inequality; equilibrium; pure exchange economy 
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Tarafdar, E.; Thompson, H. B. On the existence of the price equilibrium by different methods. Commentationes Mathematicae Universitatis Carolinae, Tome 34 (1993) no. 3, pp. 413-417. http://geodesic.mathdoc.fr/item/CMUC_1993__34_3_a2/