Lei de Say

 Say’s Law, as explicated by the great liberal political economist Jean-Baptiste Say (1767-1832), is the principle that supply constitutes demand, with the corollary that aggregate supply always equals aggregate demand. There’s no more important principle in political economy to get perfectly right – and assiduously avoid getting wrong – than Say’s Law.

Say’s Law is the most important first principle in economics, with innumerable important corollaries and implications; its …

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Say’s Law versus Keynesian Economics

There’s no more important principle in political economy to get right –