Essays on Banking Competition

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Date

2016

Advisors

Adelino, Manuel
Puri, Manju

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Abstract

I study local shocks to consumer credit supply arising from the opening

of bank-related retail stores. Bank-related store openings coincide with

sharp increases in credit card placements in the neighborhood of the

store, in the months surrounding the store opening, and with the bank

that owns the store. I exploit this relationship to instrument for new

credit cards at the individual level, and find that obtaining a new

credit card sharply increases total borrowing as well as default risk,

particularly for risky and opaque borrowers. In line with theories of

default externality, I observe that existing lenders react to the

increased consumer borrowing and associated riskiness by contracting

their own supply. In particular, in the year following the issuance of a

new credit card, banks without links to stores reduce credit card limits

by 24-51%, offsetting most of the initial increase in total credit

limits.

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Citation

Correia, Sergio (2016). Essays on Banking Competition. Dissertation, Duke University. Retrieved from https://hdl.handle.net/10161/12246.

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