100. The liquidity trap occurs when ______. (Points: 3)

there is a large reduction in the demand for loanable funds
the nominal interest rate falls to zero
monetary policy becomes ineffective
All of the above are correct.

The correct answer is "All of the above are correct." The liquidity trap is a situation in which monetary policy becomes ineffective due to a large reduction in the demand for loanable funds and the nominal interest rate falling to zero. To understand this concept, let's break it down further.

In normal economic conditions, when the central bank reduces interest rates, it stimulates borrowing and investment, leading to an increase in aggregate demand. However, in a liquidity trap, this traditional relationship breaks down.

A liquidity trap occurs when the demand for borrowing and investment becomes highly elastic, meaning that even if the interest rates are lowered significantly, there is little to no increase in borrowing or investment activity. This situation happens when there is a widespread pessimism about the future economic conditions and a lack of confidence among businesses and individuals.

When the demand for loanable funds reduces, individuals and businesses prefer to hold cash rather than invest in securities or take on loans. This leads to a decrease in aggregate demand and economic activity. Furthermore, as individuals and businesses hold onto their cash, the nominal interest rate can fall to zero or very close to it.

At this point, monetary policy becomes ineffective because nominal interest rates cannot be lowered further to boost borrowing and investment. This is because if the nominal interest rate is already zero, there is no additional incentive for individuals or businesses to borrow or invest, even if the central bank tries to lower rates further.

In summary, the liquidity trap occurs when there is a large reduction in the demand for loanable funds, the nominal interest rate falls to zero, and as a result, monetary policy becomes ineffective.