"Economists who simply advised leaving the economy alone, governments whose first instincts, apart from protecting the gold standard by deflationary policies, was to stick to financial orthodoxy, balance budgets and cut costs, were visibly not making the situation better. Indeed, as the depression continued, it was argued with considerable force not least by J.M. Keynes who consequently became the most influential economist of the next forty years - that they were making the depression worse. Those of us who lived through the years of the Great Slump still find it almost impossible to understand how the orthodoxies of the pure free market, then so obviously discredited, once again came to preside over a global period of depression in the late 1980s and 1990s, which, once again, they were equally unable to understand or to deal with. Still, this strange phenomenon should remind us of the major characteristic of history which it exemplifies: the incredible shortness of memory of both the theorists and practitioners of economics. It also provides a vivid illustration of society's