"raise contribution" is a correct and usable phrase written English.
You can use it when talking about increasing a financial or voluntary contribution, such as donating to a charity or increasing the company's budget for a particular department. For example, "The board has decided to raise contribution this year in order to increase funding for new research projects."
And some senators want to raise contribution limits, arguing the problem is that limits were never adjusted for inflation.
A21 Expanding Retirement Savings The Senate Finance Committee chairman, William V. Roth Jr., namesake of the popular Roth I.R.A., proposed legislation to create a similar 401(k) plan and raise contribution limits for individual retirement accounts and 401(k) plans.
The chairman of the Senate Finance Committee, William V. Roth Jr., namesake of the popular Roth I.R.A., unveiled legislation today that would create a similar 401(k) plan and raise contribution limits for individual retirement accounts and 401(k) plans.
Raise contribution levels?
Last year - to the annoyance of some MPs - the government urged the Commons to back plans to have their pension schemes run by Ipsa, and to raise contribution rates in line with other public sector workers by 2015.
Both C and D raise contribution rates, and it is likely that both will be challenged.
Critics say the state would be forced to raise contributions in later years.
Because of the reluctance to raise contributions, the flow of money into the accounts would be quite small.
But Mr Douste-Blazy hopes for a sustainable reform that does not simply "raise contributions and limit reimbursements".
His answer focused entirely on aid: raise contributions to the Global Fund to Fight Aids, TB and Malaria; find better ways to deliver aid to agriculture and education.
Both information alone and sanctions raise contributions overall, although outcomes varied by site in line with our rankings of 'watershed trust'.
