Keynes in the General Theory, explains the monetary nature of the interest rate by means of the liquidity preference theory. The objective of this paper is twofold. First, to point out the limits of the liquidity preference theory. Second, to present an explanation of the monetary nature of the...

The current crisis in the global economy is considered on a par with the Great Depression of the 1930s. We can therefore ask whether the crisis will lead economists to revise the mainstream theory. The first result presented in this paper is to show that the traditional theory does not permit...