But taxi drivers and pharmacists have successfully resisted efforts to open their professions and make provision of their services more flexible and efficient. The need to placate such interest groups is a serious obstacle to jump-starting economic growth, because comprehensive reform is more effective than piecemeal reform.
另一个供给端措施必须由政府实施。比如，意大利议会已经同意取消商店开张时间限制，作为零售部门自由化措施的第一步。但出租车司机和药店成功地抵制住了开放时间限制以使服务更灵活更有效的要求。如何安抚这些利益集团是重启经济增长的重大障碍，因为全面改革要比外围改革更加有效。