As he prepares for this autumn's budget deals, therefore, the prime minister will have to disappoint the finance ministry if he hopes to win the battle with his party.
Both the Bank of England and the Office for Budget Responsibility, which prepares economic forecasts for the government, have warned that GDP may have contracted in the fourth quarter of 2012.
The Brazil World Cup bid team has increased its security budget as the country prepares to host the tournament for the first time since 1950, as well as next year's precursor Confederations Cup and the 2016 Summer Olympics.