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Job Market Paper

Quantifying the role of imperfect competition and asymmetric information in bank pricing: evidence from loan rate dispersion đź“„ (Draft)

Using French loan-level data, we document substantial dispersion in interest rates among otherwise similar firms, even when they borrow from the same bank. We further show that unexplained rate residuals correlate with surprises in firms’ future credit risk outcomes, in line with an information channel in loan pricing. The central question is the extent to which observed dispersion reflects true differences in borrower risk versus the extra-value that banks manage to extract. To address this, we develop and calibrate a model of loan pricing with imperfect competition and costly information acquisition by banks. Dispersion can be the result of costly banks’ screening, where the acquisition of negative signals on firms translates into higher rate offers; or the optimal bank strategy in a non-competitive environment, in which a deviation from the law of one price is possible and banks can extract firms’ surplus. The calibrated results suggest that imperfect competition is the prevailing force driving observed dispersion.



Other work in progress

Banks, Peer-to-Peer lending platforms and the transmission of monetary policy: loan-level evidence from France, with Mattia Girotti (Banque de France) and Andrea Polo (LUISS, Rome)

Business lending practices in Europe are quickly evolving as more digital and AI platforms enter the corporate credit market, traditionally dominated by banks. Using loan level data from France, we analyse the different lending behaviour of banks and peer to peer platforms to firms in response to high-frequency monetary policy shocks.