Markets are leadership evaluators. They assess the pronouncements of presidents and Fed chairmen. They appraise the decisions of CEOs. They prove or disprove the predictive power of financial forecasting models: Keynesian, Rubinomic, populist, Marxist, supply-side. Each model guessed at what was in store for investors and the economy all across the 2000-07 period. And only one model, the supply-side one that links growth and prosperity with low taxation and low regulation and free markets and a general environment of entrepreneurship and opportunity, consistently outperformed the rest.

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Jerry will be appearing on Fox News Channel's Your World with Neil Cavuto this afternoon at 4 PM EST to discuss this topic.