The mainstream view is that market economies are generally believed to be closer to efficient than other known alternatives and that government involvement is necessary at the macroeconomic level (via fiscal policy and monetary policy) to counteract the economic cycle – following Keynesian economics.
主流看法认为，市场经济一般认为是比其他已知的替代办法更有效率，虽然在宏观经济层面，政府的参与是必要的，政府通过(财政政策和货币政策)，以抵消经济周期带来的波动。