The Equilibrium Impact of Credit Frictions: Evidence from Default Risk Using Firm-Level Data

Timothy Besley, Peter John Lambert, Isabelle A. Michalski-Roland and John van Reenen

No 35552, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: This paper examines the impact of credit frictions arising from firm-level default risk on aggregate economic performance. We build a micro-to-macro model with heterogeneous firms and sector-specific production functions, showing that perceived default risk is a sufficient statistic for credit frictions. Using UK administrative data (2004–2019) matched to S&P risk measures, counterfactual estimates reveal that relaxing frictions raises output by 25% and wages by 23%. Ignoring equilibrium wage adjustments overstates output gains, while fixed-capital misallocation approaches understate them. Most gains reflect aggregate capital accumulation. Credit frictions remain above pre-crisis levels, reshape firm size dynamics, increase misallocation across firms, and dampen productivity growth over time.

JEL-codes: D24 E32 L11 O47 (search for similar items in EconPapers)
Date: 2026-07
Note: PR
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