This study examines the problem that a central bank may face after exiting a monetary quantitative easing policy. It develops a simple dynamic optimization model of a central bank, which finds that if the bank needs to absorb a substantial amount of excess reserves when exiting, the monetary...

This study examines the problem that a central bank may face after exiting a monetary quantitative easing policy. It develops a simple dynamic optimization model of a central bank, which finds that if the bank needs to absorb a substantial amount of excess reserves when exiting, the monetary...

In this paper, we develop a simple dynamic optimization model of a central bank, in which the bank’s profit affects its balance sheet. The model derives the transversality condition that is necessary for a central bank to be sustainable and to conduct an optimal monetary policy. In this sense,...

The Bank of Japan has used some unconventional monetary easing measures for more than a decade, and it is often pointed out that it might damage the Bank’s capital and thus jeopardize its credibility. First, this paper reviews the past literature on the role of central bank capital and how a...