Two Washington research organizations that often lean in opposing political directions are teaming up to advocate for more generous paid parental leave in the U.S., drafting a bipartisan template for making the policy into law.

Related: Parental leave benefits are hardly improving

Both mothers and fathers after the birth or adoption of a child should be entitled to a 70 percent wage-replacement rate up to a cap of $600 per week for eight weeks, and guaranteed job protection during the leave, according to a joint report released Tuesday by the American Enterprise Institute and Brookings Institution. While calling for an independent study to explore the effects of such a policy move, the group proposes a payroll tax on employees and savings in other parts of the U.S. budget could finance the benefits.