“Since the 1970s, family households have taken on an additional earner, but have less discretionary income. Why is this? Warren finds that fixed household expenditures have taken on a much larger percentage of the budget. This isn’t Warren trying to find a dark cloud to go with a silver lining. The business analyst in you should be jumping up in their chair – we see that the middle class household firm has maxed it’s production but that additional earnings has gone straight into debt and fixed costs.”