To identify credit availability we analyze the extensive and intensive margins of lending with loan applications and all loans granted in Spain. We find that during the period analyzed both worse economic and tighter monetary conditions reduce loan granting, especially to firms or from banks...

We analyze optimal monetary policy in a model with two distinct financial frictions. First, borrowing is subject to collateral constraints. Second, credit flows are intermediated by monopolistically competitive banks, thus giving rise to endogenous lending spreads. We show that, up to a second...

Business cycle properties under different monetary policy rules are examined in a variety of dynamic stochastic general equilibrium models (the real business cycle models, the nominal wage contract models with different length of contracts, and the monopolistic competition models with different...