管涛：完善国债公开市场操作需增加短债供给

Group 1 - The core argument emphasizes the need for the central bank to enhance its monetary policy independence by increasing the issuance of short-term government bonds to improve the monetary control mechanism [1][11][15] - The central bank's monetary policy has historically been constrained by exchange rate policies, which limited its ability to manage domestic liquidity effectively [2][6][10] - The transition from relying on foreign exchange reserves to domestic credit channels for monetary policy implementation marks a significant shift in China's monetary control strategy [10][12] Group 2 - The People's Bank of China (PBOC) has gradually shifted its focus from foreign exchange interventions to domestic liquidity management, particularly through the use of medium-term lending facilities and other monetary policy tools [8][12][13] - The lack of short-term government bonds has been identified as a critical issue for the PBOC's open market operations, which traditionally rely on such instruments for liquidity management [14][15] - Recent policy changes, including the resumption of government bond trading in the open market, indicate a move towards a more flexible and responsive monetary policy framework [12][13][15]