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Asset Markets and Investment Decisions*
Author(s) -
De Waegenaere A.,
Polemarchakis H.,
Ventura L.
Publication year - 2002
Publication title -
international economic review
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.658
H-Index - 86
eISSN - 1468-2354
pISSN - 0020-6598
DOI - 10.1111/1468-2354.t01-1-00038
Subject(s) - economics , competitive equilibrium , valuation (finance) , microeconomics , asset (computer security) , shareholder , complete market , investment (military) , incomplete markets , monetary economics , financial economics , finance , corporate governance , computer security , politics , computer science , political science , law
In an incomplete asset market, firms assign values to investment plans by projecting their payoffs on the span of the payoffs of marketed assets. This is a criterion that does not require firms to possess information, such as the marginal valuation of revenue across date‐events by shareholders, which is not directly observable; rather, it is based on the prices and payoffs of marketed assets. Under standard assumptions, competitive equilibria exist. However, even in the absence of nominal assets, competitive equilibrium allocations are generically indeterminate. The set of competitive equilibria is indexed by the price level at each state of the world, which has implications for the effectiveness of monetary policy.