At first I had some idea that the absence of color made the work more physical. Early on I was very involved with the notion of the painting as an object and tended to attack that idea from different directions.
Even people who feel perfectly comfortable investing in the stock market and owning their own homes often have qualms about individual medical accounts or Social Security private accounts.
Usually, in the studio, on this sort of thing... you just go out and have a play over it, and see what comes, and it's usually - mostly - the first take that's the best one, and you find yourself repeating yourself thereafter.