Yeah pretty much that. Basically allocate inflation away from the rewards pool and into the saving accounts would be enough.
How much, considering that average voting would get quite decent returns, far above the current interest rate. To be effective to discourage poor voting, it would have to be able to compete with the gains from poor voting behavior.
Well, that's an entire different matter to let to be solved by the math geniuses here with some vestige of moral, fairness and ethics. Although obviously, submitted to the general consensus of the entire community. };)
But I guess my initial suggestion was more on the lines to end once and for all the ongoing discussions and the whining of the biggest stakeholders about the imminent need to have to reduce the powerdown period more than anything.