In normal times, central banks want to reduce inflation. The problem is that pre-announced hikes in tax rates or administered prices can have the undesirable effect of building annual price increases into public perceptions, undermining the central bank’s inflation-fighting efforts.
这种渐进方式对货币政策也有其积极意义。在正常时期，央行想减少通货膨胀。但问题是预先公布的税率或行政费用上涨会使公众产生全年价格上涨的预期，也削弱了中央银行的抑制通货膨胀的努力。