I doubt it would change much. It's hard to get politicans to make statments that can be falsified. Watch some episodes of the brilliant "Yes Minster" to see what I mean.
"Well, in the fullness of time, given the most up to date information, subject to the findings of the interdepartmental crossparty study group, and dependant on the budgetry contrainsts, I believe something to be likely to be the type of programme that would, given there are no unforeseen circumstances, lead to positive net job growth"
"Well, in the fullness of time, given the most up to date information, subject to the findings of the interdepartmental crossparty study group, and dependant on the budgetry contrainsts, I believe something to be likely to be the type of programme that would, given there are no unforeseen circumstances, lead to positive net job growth"