Liquidity preference: Keynes proposed a desire and preference for people to keep some assets in the form of currency. It is a psychological motivation and people are willing to hold on hand in order to meet daily expenses, unexpected expenses and speculative profit-making activities at the appropriate time. Has a tendency to cash. Which of the following phenomena are not one of the mobile preferences? ['Banks have repeatedly cut interest rates and the national savings rate remains high.', 'In order for the child to go to college in the future, Jin Ming has been saving for his child since he got married.', 'In the recent period, the stock market situation has been bad, and many investors have withdrawn from the stock market.', 'Li Ming usually works frugally and saves money without spending money because he is afraid of sudden shortages after being laid off.']