The shadow chancellor emphasises growth while the IFS emphasises austerity.
Shadow chancellor deploys new line of attack against the Conservatives' profligate manifesto.
Ed Balls believes a tough message is essential but Chuka Umunna and Sadiq Khan are warier.
Shadow chancellor rules out tax rise after Miliband's refusal to do so at PMQs.
Shadow chancellor opens new dividing line with the Tories by vowing to avoid raising "the tax that hits everyone".
Ed Balls's less stringent plans mean a dramatic gap with the Tories.
Shadow chancellor says the Conservatives have blundered by admitting day-to-day spending will be reduced to its lowest level for more than 50 years.
The Chancellor later tried to wriggle out of a one-to-one debate, saying that Danny Alexander should also be invited.
If Ed Balls becomes chancellor, he will be one of the most experienced – and divisive – politicians ever to hold the job.