Transatlantic systemic risk

In this paper we study systemic risk for North America and Europe. We show that banks' exposures to common risk factors are crucial for systemic risk. We come to this conclusion by first showing that relations between North American and European banks are smaller than within each region. We then show that European banks react more strongly to the onset of the financial crisis than North American ones. Regarding the consequences of systemic risk, we show that dependence between the banking sector and a wide range of real sectors is limited. Our results imply that regulators and supervisors should address international bank dependencies arising from common risk factors, while recessions in real sectors due to bank defaults should be a secondary concern.