APA
Hungerman D. M., National Bureau of Economic Research, Harrison T. & Li S. X. (2026). How do foundations help charities (beyond giving them money)?. Cambridge: NBER.
Chicago
Hungerman Daniel M, National Bureau of Economic Research, Harrison Teresa and Li Sherry X. 2026. How do foundations help charities (beyond giving them money)?. Cambridge: NBER.
Harvard
Hungerman D. M., National Bureau of Economic Research, Harrison T. and Li S. X. (2026). How do foundations help charities (beyond giving them money)?. Cambridge: NBER.
MLA
Hungerman Daniel M, National Bureau of Economic Research, Harrison Teresa and Li Sherry X. How do foundations help charities (beyond giving them money)?. Cambridge: NBER. 2026.