Almostt all of the information on the effect of Brexit is speculation at this point. However, the bottom line on economic growth for the UK boils down to what it does on four key related policies: monetary, trade, fiscal, and regulation. Brexit, in fact, can improve all of these.The newswires recently showed a sign outside a shop in London that summed up the Brexit vote in terms of the works of 19th century British novelist Jane Austen:48 percent Sense and Sensibilities52 percent Pride and PrejudiceWhile the sign was obviously displayed by a Remain partisan, it is nonetheless a timely reminder of the British ethic of facing problems with wit and keeping a stiff upper lip. Indeed, since the U.K voted on 23 June to leave the EU, things have b...