If Mill accepts weak, rather than strong, sufficiency, then he might claim that though there is a reason to regulate harmful economic competition the costs of interfering with free markets are too great. However, this seems not be Mill’s preferred response. His official position seems to be that the harm principle should not be applied to such economic harms (IV 4). It is hard to see why Mill embraces this sort of free-trade exception. A different and better reply would not suspend the operation