Frankfurt

ONE week before a long-awaited stimulus decision, European Central Bank officials are privately deliberating over how to enhance their monetary policy stance without maiming its transmission.

Committees studying how to mitigate the impact on banks have prepared potential measures that range from variations on a tiered deposit rate to techniques for countering the impact of stimulus on excess liquidity, according to people familiar with the discussions. The suggestions could still be rejected by the Executive Board or turned down at the Governing Council's March 10 meeting. An ECB spokesman declined to comment.