With the publication of J. M. Keynes’s General Theory in 1936 and the mathematical formalizations of his theory by J. R. Hicks (1937) and others, the… - James Tobin

I suspect that many of the world's financial lords are somewhat embarrassed to tell Japan repeatedly at G-7 meetings and elsewhere to adopt a Keynesian solution. Within Europe, central banks and governments think Keynesian theories and policies are absolutely wrong. Despite the remarkable success of pragmatic policies in the United States, true believers in the Invisible Hand reject Keynesian diagnoses and prescriptions. Many observers of Japan have found it intellectually comforting to blame the slump on the plight of the banks, flooded with bad loans dated from the land and equity bubbles and their collapse. They hope that a governmentmanaged and -subsidized rectification of bank balance sheets will trigger overall economic recovery. I think this is a false hope. The bank problem is only a small part of the macroeconomic disaster. It has to be resolved, of course, but resolution that is no substitute for the needed fiscal and monetary stimuli.

I had, to be sure, been drawn into economics when the General Theory was an exciting revelation for students hungry for explanation and remedy of the Great Depression. At the same time, I was uncomfortable with several aspects of Keynes’ theory, and I sought to improve what would now be called the microfoundations of his macroeconomic relations.

Ball, Mankiw, Romer and others style themselves as New Keynesians. Their program is to develop improved microeconomic foundations for imperfectly flexible prices. In the process, they hope to illuminate the paradox that individually rational or near-rational behavior can result in significant collective market failures. These are certainly laudable objectives. In the end, I suspect, the program will not change the essential substance of Keynesian macroeconomics. But it will make Keynes more palatable to theorists.