By James Price The Institute for Fiscal Studies’ claims that the policy will raise money do not take into account the unintended consequences – economic models rarely do, says James Price I often tell people that the best way to make God laugh is to tell Him your plans. This is at least in part because the most immutable law in politics is, obviously, the law of unintended consequences. Rarely is this more evident than in various forecasts and predictions. Some things are black swan events, sure, others (like socialists putting up taxes), are dead certainties. But everything else is much less …