Republicans have said they want to move quickly to craft a replacement plan after successfully repealing Obamacare. But it is not clear how they will pay for a key part of that replacement, tax credits to pay down health insurance.

Republicans have not released a replacement plan for repealing Obamacare. However, some Republicans have introduced legislative text that give a sense of the direction the GOP wants to go.

For instance, Rep. Tom Price, the Georgia Republican who President-elect Trump nominated to be secretary of the Department of Health and Human Services, has a plan. Price’s Empowering Patients First Act includes tax credits that are pegged by age instead of income so a person who is younger would get a smaller tax credit than someone older who presumably has higher healthcare costs.

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