The outlook for wages is "dreadful" with the squeeze on pay lasting for more than 10 years, the IFS says.
The chancellor says forecasts dubbed too negative by pro-Brexit MPs are "one of a range of outcomes".
New analysis suggests incomes could rise more slowly between 2015 and 2020 than they did during the last Parliament.
Economists give their assessment on what happened to the government's austerity policies, and whether they worked.
BBC business reporter Ian Pollock answers your questions.