H52, I21, O15
O12; L26; M20; O31; O33; O35; O17; M50
A20 C93 D83 I21 I23
I21, I24, I 31
: C93 (field experiments), D15 (intertemporal household choice), I21 (analysis of education)
I21, J24
O31, O32, O33
O31, O38
I12, I21, O15
C21, C93, D1, D81, D90, I12, I21