美联储博斯蒂克：评级下调将对资金成本产生影响，可能波及整个经济。

Core Viewpoint - The downgrade in ratings will impact the cost of capital and may have broader implications for the entire economy [1] Group 1 - The Federal Reserve's Bostic indicated that a downgrade in ratings could lead to increased funding costs [1] - The potential rise in funding costs may affect various sectors across the economy [1] - The overall economic impact of such rating downgrades could be significant, influencing investment decisions and financial stability [1]