"Keynes uses the expression “Liquidity Preference” to describe the idea that investors will not part with their cash unless they perceive the reward for doing so as adequate. Interest, in other words, is not only a reward for saving; it is a reward for taking the risk of owning assets that fluctuate "
"Tobin points out that Keynes built two bizarre features into his theory of Liquidity Preference. For one thing, Keynes assumed that investors’ expectations of interest rates in the future are extremely slow to change: “. . . the rate of interest is a highly conventional, rather than a highly psychol"
"The convenient fact that has just been proved is that the proportionate composition of the non-cash [i.e., risky] assets is independent of their aggregate share of the investment balance. This concept has come to be known as the Separation Theorem, because it argues that the Markowitzian process of "
"Economists insist that you can't have your cake and eat it too. If we want more of something, we have to give up something else -- guns for butter, saving for consumption, employment for leisure."
"Such volume would be impossible without the computer. Many complex securities could not even be priced without the computer’s speed and mathematical capabilities. The whole world, it seems, is becoming computerized."