fe45a3b1_lian_Broadcasting_Corporation___Definition
[Term] MYEFO [Definition] 
The Mid-Year Economic and Fiscal Outlook is an update to the budget that the government releases halfway through the financial year. The most recent MYEFO showed a major increase in the budget deficit from the PEFO, prompting speculation over whether the government was using a worst case scenario to strengthen the case for unpopular cuts and pave the way to a budget recovery.
Budget 2014: Tony Abbott opens door to 'horse-trading' with minor parties in Senate to pass key measures - Federal Budget 2014 - ABC News (Australian Broadcasting Corporation)
Definition