Excellent summary of radical and transformative economic Labour programme under Corbyn's leadership by John McDonnell MP who is chair of the socialist campaign group of Labour MPs:
... So alongside deficit elimination, the Corbyn campaign is advocating a fundamental reform of our economic system. This will include the introduction of an effective regulatory regime for our banks and financial sector; a full-blown Glass-Steagall system to separate day-to-day and investment banking; legislation to replace short-term shareholder value with long-term sustainable economic and social responsibilities as the prime objective of companies; radical reform of the failed auditing regime; the extension of a wider range of forms of company and enterprise ownership and control including public, co-operative and stakeholder ownership; and the introduction of a financial transactions tax to fund the rebalancing of our economy towards production and manufacturing.
Public ownership does have an important role to play, but this will be through smart forms of 21st-century common ownership and control. For example, rail will be renationalised, but with a form of joint management involving workers and passenger representatives. Energy would be socialised from below by the massive expansion of renewable energy production and supply by local communities, local authorities and co-ops on the successful German model, removing the monopoly of the big six energy companies....
See whole article in The Guardian: http://www.theguardian.com/commentisfree/2015/aug/11/jeremy-corbyn-close-deficit-poor-labour-economy