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α: calibrated so average coauthorship-adjusted count equals average raw count
Following the early implementation of the global over-the-counter (OTC) derivatives market reform in the USA and the associated increase in trading costs, US banks shifted up to 60% of their OTC derivatives activity abroad, particularly toward less regulated jurisdictions. Consistent with a cost saving incentive of regulatory arbitrage, we find that this flight abroad is driven by costlier blocks of the reform and subsequently causes a narrowing of swap spreads. We further show that this regulatory arbitrage causes an increase in financial risk as more activity is shifted to more lenient jurisdictions.