One option could be to restrict repurchases (and dividends) that would take the company below some threshold of savings, based on expenses. For example: any com

One option could be to restrict repurchases (and dividends) that would take the company below some threshold of savings, based on expenses. For example: any company worth over $X needs to hold a years worth of expenses in hand at all times - if they go below, they cannot issue a dividend or buy back any stock. Of course, the details matter enormously here, including how things like debt factor into the equation.