LONDON (Reuters) – Britain’s high streets are heaving with shoppers despite June’s shock vote to leave the European Union, big companies have reported few signs of distress and some tabloid newspapers are even talking about a post-Brexit economic boom. The overwhelming view from economists is that it is too early to know how Britain will cope with years of Brexit uncertainty – but there is a growing belief the country can avoid a recession that only weeks ago was regarded as likely. On the face of it, the early optimism contrasts with the pre-referendum warning from former Prime Minister David Cameron that a Brexit vote would put a “bomb under the economy”. Retail sales in August reversed much of an immediate post-Brexit vote fall, with retailers reporting their strongest sales in six months, industry data showed on Thursday, partly due to a weaker pound attracting overseas buyers.