Journal Of The Econometric Society

An International Society for the Advancement of Economic
Theory in its Relation to Statistics and Mathematics

Edited by: Guido W. Imbens • Print ISSN: 0012-9682 • Online ISSN: 1468-0262

Econometrica: May, 1979, Volume 47, Issue 3

The Arrow-Debreu Model Extended to Financial Markets<689:TAMETF>2.0.CO;2-Z
p. 689-708

Peter H. Friesen

The Arrow-Debreu model is extended to include a sequential market model with financial markets. This is done by dropping the contingent contracts from the Arrow-Debreu model, leaving only a sequence of spot markets for commodities. The resulting market structure is inefficient. Efficiency is restored with a sequence of stock markets and option markets. In addition, consumers are shown to be unanimous in wanting each firm to maximize the price of its common stock.

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