The demand for money is the relationship between the quantity of money people want to hold and the factors that determine that quantity. Keynesian economics is a macroeconomic theory of total spending in the economy and its effects on output, employment, and inflation.The price of money is the nominal interest rate, the quantity is how much money people hold, supply is the money supply, and demand is the demand for money. A primer on the basics and complexities of the global bond market. The yield curve for government bonds is an important indicator in financial markets. There's going to be an inverse relationship between the interest rate and bond prices if interest rates fall bond prices are going to increase.