I got inspired to write this because of the question posted by a friend.

Joju says “Everywhere we see news and discussions about economic slowdown and credit crunch. Analysts say nobody (no banks, mutual funds, general public etc) has enough liquidity. Where have all the money disappeared?”

I would like to share my understanding here with a hypothetical example.

There is a lot of virtual money in the market. This money is only in the books of account and is not physically present. Let us, for example, look at a simple make believe world. This world has only 4 people. One Mr. A, who to start with, has all the money, say $100. One Mr. B has all the land. One Mr. C is a working professional. One Mr. Banker runs a bank.

Mr. A deposits the money that he has in the bank. So bank has deposits worth $100. Bank will be giving interest on the deposited money to Mr. A. So it needs to use this money to make more money. Mr. C wants to buy a house but does not have the money. He goes to the bank and the bank lends $75 to him on interest. Mr. C uses this money to buy the house from Mr. B. Now, Mr. B (the house seller) goes and deposits this money into the bank.

Now, the bank is having $175 as deposits in the Books of Accounts. But note that the world started with only $100. Where has this extra $75 come from? The total money in this world is $100 cash + $75 as a house. Thus, we can say that the total money, is not only the real money but also the assets valued in terms of money.

The bank has $175 deposits as its liability. It has an asset of $75 as loan and $100 as cash. So, by accounting standard, there is no issue as the bank has enough assets to match its liabilities. But, if we take a closer look, we can see that some of the assets that the bank has, if needed, cannot be converted to cash instantly. Thus the liquidity is missing.

If the interest rate falls, or due to any other reason, both Mr A and Mr. B might want the bank to return their money. But the bank does not have that much money as it hold real as well as virtual money. Real money is the $100 as cash that it can return and the virtual money is the assert in form of $75 loan which is not liquid. Thus, leading bank to liquidity problem.

On casual observation, we might feel that $75 though being present in the Books, have suddenly disappeared from the real world.