IMF - Beyond Brexit, the UK faces a range of other economic challenges. These include persistently lackluster productivity growth, large public debt, and the wide current account deficit. The UK’s sound macroeconomic framework, regulatory environment, and deep capital and flexible labor markets will be advantages in implementing reforms to address them.

WNN - The UK government aims to maintain as many of the benefits the country has enjoyed from its membership of the European Atomic Energy Community since joining the EU and Euratom in 1973 through a "close and effective association" in the future, Greg Clark, secretary of state for business, energy and industrial strategy told Parliament yesterday. The UK will exit Euratom at the same time as withdrawing from the EU, on 29 March 2019.

IMF - Productivity growth will be the primary determinant of UK living standards in the long run.

Qatar, the world's biggest exporter of LNG, pledged almost $6.2bn worth of investment in Britain on Monday in a show of support, as UK Prime Minister Theresa May begins the formal process of negotiating a separation settlement with the European Union.

ConocoPhillips (COP.N) on Wednesday agreed to sell oil sands and western Canadian natural gas assets to Cenovus Energy Inc (CVE.TO) for C$17.7 billion ($13.3 billion), making it the latest international oil major to pull back from a region where high costs and low crude prices have made it hard for large companies to make an acceptable return.

In terms of regulation and policy for the upstream oil and gas industry, much of the EU legislation and directives were either based on established UK customs and practices or are already enshrined in UK law. Although it will take some considerable time to untangle the complex regulatory and policy frameworks, the impact for the oil and gas industry is likely to be modest. In terms of the UK oil and gas tax system, little is expected to change as a result of Brexit as the EU has no remit over the UK’s fiscal regime for the industry.

U.S. crude was down 23 cents at $46.37 a barrel at 0158 GMT. The contract fell 5 percent to end at $46.60 on Tuesday as U.S. investors digested news of an OPEC increase in production after the July 4 holiday on Monday closed trading. Brent futures were down 18 cents at $47.78. On Tuesday they settled down 4.3 percent at $47.96 a barrel.