This paper studies the financial sources of aggregate risks and their impact for the cross section of asset prices. We show that in a dynamic general equilibrium model with frictions in both equity and debt markets, shocks to the costs of external equity and debt issuances, affect households'...

This chapter surveys research on agent-based models used in finance. It will concentrate on models where the use of computational tools is critical for the process of crafting models which give insights into the importance and dynamics of investor heterogeneity in many financial settings.