There are many reasons there was higher inflation in the 1970s. But that is a complicated story that deals with much more than tax policies. - Lawrence Klein

At Chicago, I was in the midst of a veritable galaxy of stars: Trygve Haavelmo, Tjalling Koopmans, Theodore Anderson, Leonid Hurwicz, Herman Rubin, Kenneth Arrow, , , and Herbert Simon, among others. I completed my first of a series of macroeconometric models, solidified my understanding of econometrics, learned (through endless discussion) about the functioning of the economy, and got started on several theoretical paths such as aggregation, demand systems, and prediction.

You can lead a horse to water, but you cannot make him drink. Or monetary policy is pulling on a string when the economy is strong. That works. But when the economy is weak and you are cutting interest rates, it can be like pushing on a string. It does not work as well.

I have always believed that people have misjudged the accuracy of economic forecasting... During the 1980s and 1990s, I researched and applied methods of high frequency economic forecasting, to be used by themselves, and for objective establishment of initial conditions for longer range forecasts from structural dynamic models that carry forward the pioneering contributions of Jan Tinbergen.