The graduate faculty in the Hubert H. Humphrey School of Public Affairs has written a letter to the FOPWG suggesting an alternative plan based on marginal income. One idea motivating this plan is that employees with higher income would see a bigger reduction in pay, but their reduced salaries would maintain their current ranking. Such a plan has the desirable outcome that employees just over the boundary into a higher salary tier do not end up taking a pay cut that reduces their take home pay below that of someone at the top of the salary tier below. If there are constraints that demand pay reductions (in %) be equivalent to furlough days (in whole-day increments), then this model may need some modifications. But it appears to have a lot going for it.
Here is the table of pay reductions they've suggested. As indicated in their footnote, the marginal rates in brackets 3-7 need to be higher in order to return the same level of salary savings as the current plan proposed by the FOPWG. By my estimation, the rates in the adjacent table produce a total savings of about $19.4 million. If the proposed rates in brackets 3-7 are modified by multiplying each by a factor of 2.23, then the total savings is closer to $37.7 million and the size of the realized reduction in pay changes as a function of salary as depicted in the graphic on the Homepage [Gold line for Humphrey Plan (modified)]. In plotting these "modified" data, I've made the same assumptions as those outlined for the alternative plan I've suggested, which I've listed on the Homepage. The data for this plan are included in the shared dataset in GoogleSheets. I would really appreciate someone checking my math on this one!
This plan proposed by the Humphrey School has a lot of desirable features! It maintains a minimum salary cutoff ($40,000). The sizes of pay reductions (in %) are smaller (for the lowest salary tiers, much smaller) than those in the FOPWG proposed model, up to about $85,000. And across the salary range of $100,000 to $300,000, the curve relating % pay reduction to salary is less "flat" than that proposed by the FOPWG. I like it.