Group 1 - The core viewpoint emphasizes the need to enhance the effectiveness of macroeconomic policies while addressing the declining marginal efficiency of these policies [2][3] - The importance of ensuring consistency between economic and non-economic policies to avoid "composite fallacy" is highlighted, as conflicting policies can lead to suboptimal outcomes [2][3] - The necessity of improving the transmission mechanism of macroeconomic policies to achieve intended policy goals is discussed, indicating that a blockage in these mechanisms can hinder effectiveness [3][4] Group 2 - The role of automatic stabilizers and fiscal policy transmission mechanisms is crucial, with income distribution, money supply, and prices being key mediators [4][5] - The need for a robust expectation management mechanism is outlined, emphasizing that market participants' expectations can significantly influence policy effectiveness [6][7] - The importance of matching policy goals with appropriate tools is stressed, referencing Tinbergen's principle that the number of policy instruments should at least equal the number of targets [9] Group 3 - The coordination between short-term and long-term policies is essential for stabilizing economic growth, with short-term counter-cyclical policies needing to align with structural reforms [10][11] - The current economic environment necessitates stronger macroeconomic stimulus policies to break negative cycles and restore confidence among businesses and households [8][11] - The potential negative impacts of short-term policies on long-term structural reforms must be carefully managed to ensure overall policy effectiveness [11]