Zero-Bound

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Definition of 'Zero-Bound'

The zero lower bound (ZLB) is a situation in which the nominal interest rate has fallen to zero and cannot be reduced further. This can occur when the central bank is pursuing an expansionary monetary policy in an attempt to stimulate the economy.

The ZLB can have a number of negative consequences. First, it can make it difficult for the central bank to control inflation. When the interest rate is at zero, the central bank has no way to reduce the money supply and hence cannot control inflation. Second, the ZLB can lead to a decline in economic growth. When the interest rate is at zero, there is no incentive for businesses to invest, as they cannot earn a return on their investment. This can lead to a slowdown in economic growth.

There are a number of ways to deal with the ZLB. One way is to use unconventional monetary policy tools, such as quantitative easing. Quantitative easing involves the central bank buying assets from the private sector, which increases the money supply and lowers interest rates. Another way to deal with the ZLB is to implement structural reforms that increase economic growth. These reforms could include reducing government spending, lowering taxes, and improving the education system.

The ZLB is a serious challenge for central banks. However, there are a number of ways to deal with the ZLB, and central banks are working to develop new tools to address this problem.

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