Theoretical economics should not be divorced from real life. If theoretical research cannot provide a good explanation for real-world economic phenomena, then we have to question the appropriateness of the paradigm that our theoretical research follows. The battle between neoclassical macroeconomics and Keynesian economics has exposed the inadequacy of the paradigm that modern mainstream economics has followed. Neoclassical macroeconomics and Keynesian economics have the same microeconomic basis. However, the paradigm of the microeconomics on which they are based has serious flaws—the (...) scarcity hypothesis and the economic man hypothesis—do not conform to the facts. These two hypotheses are the basis for other hypotheses and principles, but neither of these two hypotheses holds up to scrutiny. Then the economics edifice built on this foundation is certainly unstable, and the corresponding economic policies are certainly not perfect. (shrink)