In the first two chapters of this thesis, I study the effects of financial stability policies on bank behavior. Thus, in the first chapter, I analyze whether liquidity provision mechanisms may have unintended redistributive consequences for the credit markets. I show that by accepting certain assets as collateral, the central bank can significantly alter bank competition and, therefore, prices in the primary markets of asset. The second chapter analyzes the efficacy of a central bank policy of hedger of last resort. It demonstrates that by absorbing on its balance sheet part of the FX risks, the central bank can affect funding costs of the domestic credit institutions and, by doing so, support bank loan supply. The last chapter pres...