An independent central bank can manage its balance sheet and its capital so as to commit itself to a depreciation of its currency and an exchange rate peg. This way, the central bank can implement the optimal escape from a liquidity trap, which involves a commitment to higher future inflation....

Some emerging economies have a relatively ineffective monetary policy transmission owing to weaknesses in the domestic financial system and the presence of a large and segmented informal sector. At the same time, small open economies can have a substantial monetary policy transmission through...