We analyze the optimality of macroprudential policies in an environment where the role of the banking sector is to efficiently allocate liquid assets across firms. Informational frictions in the banking sector can lead to an interbank market freeze. Firms react to the breakdown of the banking...

We measure the impact of bank capital requirements on corporate borrowing and investment using loanE level data. The Basel II regulatory framework makes capital requirements vary across both banks and across firms, which allows us to control for firmE level credit demand shocks and bankE level...