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α: calibrated so average coauthorship-adjusted count equals average raw count
For informal caregivers in certain demographic groups, the tradeoff between childcare and informal care may be as significant as the tradeoff between informal care and labor supply. We shed light on this tradeoff empirically, by combining detailed time use data with a natural experiment created by differential access to publicly funded kindergarten across households and states. We find a substantial elasticity between informal care supply and kindergarten access, especially for female carers. In fact, for women, kindergarten access appears to largely increase their care supply rather than labor supply.