Towards a measure of financial fragility

This paper proposes a measure of financial fragility that is based on eco- nomic welfare in a general equilbrium model calibrated against UK data. The model comprises a household sector, three active heterogeneous banks, a cen- tral bank/regulator, incomplete markets, and endogenous default. We address the impact of monetary and regulatory policy, credit and capital shocks in the real and financial sectors and how the response of the economy to shocks re- lates to our measure of financial fragility. Finally we use panel VAR techniques to investigate the relationships between the factors that characterise financial fragility in our model, i.e. banks’ probabilities of default and banks’ profits - to a proxy of welfare.

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