. >> i want to thank belle for all the work you've done, greg duncan come first introduced by jim pechman years ago. thank for all you've done, the whole committee. this is a great bit of research. i am anticipating this fiscal conflict, revenues versus spending. and asking in the work that was done, was there an effort to convert the gains from whether it's prenatal counseling or prekindergarten or whatever come converted into a fiscal advantage? i'm very helpful i want to talk with you, though, whether they can be done with the daily futures making. i'm familiar with the program and an admirer of it. i feel that all of us who are focused on the human capital side of america's problems have to have a stronger argument bereft have a fiscal argument for why spending on these kinds of investments make more sense than yet another tax cut for which there has been no randomized control trials and no one ever asked for any. >> i mean, i think, i think we agree with you at least in principle that it's an important dimension. we didn't do it in the study. for all the recent great outlined, uncert