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Econometrica Vol. 80 No. 6 2012

Capital Mobility and Asset Pricing

Darrell Duffie1; Bruno Strulovici2,3

1 Stanford University · 2 Northwestern University · 3 European Union

Abstract

We present a model for the equilibrium movement of capital between asset markets that are distinguished only by the levels of capital invested in each. Investment in that market with the greatest amount of capital earns the lowest risk premium. Intermediaries optimally trade off the costs of intermediation against fees that depend on the gain they can offer to investors for moving their capital to the market with the higher mean return. The bargaining power of an investor depends on potential access to alternative intermediaries. In equilibrium, the speeds of adjustment of mean returns and of capital between the two markets are increasing in the degree to which capital is imbalanced between the two markets, and can be reduced by competition among intermediaries.

DOI
10.3982/ecta8822
Volume
80
Issue
6
Pages
2469-2509
Language
en
Sources
bibtex:phds-export.bib openalex crossref

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