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Networks, Asset Pricing, Systemic Risk, Financial Intermediation.


"Inter-firm Relationships and Asset Prices" [PDF] [Internet Appendix]  
This paper proposes a novel link between the propagation of shocks within production networks and asset prices. It develops a dynamic network model in which the propagation of firm cash-flow shocks via inter-firm relationships affects the economy's equilibrium asset prices. When calibrated to match key features of customer-supplier networks in the United States, the model generates long-run risks and implications for the cross section of asset prices and returns. 

"A Note on Basket Securities in Segmented Markets [PDF]
Basket securities are securities that bundle several assets and whose payoffs depend on those of the underlying pool of assets, such as index funds and exchange-traded funds (ETFs). I study the design and welfare implications of basket securities issued in markets with limited investor participation in which profit-maximizing intermediaries are involved in financial innovation. I show that when only one intermediary exists, the equilibrium is not constrained efficient. Increasing competition among intermediaries increases the variety of baskets issued but does not necessarily improve investors' welfare.


"Designing Resilient Financial Systems[Slides]
I study the problem of a policymaker who seeks to improve the resilience of a large financial system when she is unsure about how losses propagate among related companies during times of economic stress. I show that under some conditions, the policymaker is incapable of improving the system's resilience. In other cases, she can significantly improve the system's resilience by imposing ex-ante restrictions on a set of companies. The size of such a set depends on both the uncertainty faced by the policymaker and the ease of implementing restrictions.

"Inter-firm Relationships and the Idiosyncratic Volatility Anomaly"

"Inter-firm Relationships and Business Cycleswith Duane Seppi (Carnegie Mellon)

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