(b) Suppose the world real interest rate falls. Explain whether output and the current account move in opposite directions in response to this shock.

8.為掃除軍紀營規的死角與安全的罅隙，防範危安情事發生，國軍督促各級落實內部管理，並於夏令、冬令時節訂頒「夏令（冬令）期間軍紀要求事項」，要求從「人有________、事有________、物有________、行動________」做起。