TY  - JOUR
A1  - Jacob, B.A.
A1  - Lefgren, L.
T1  - Are idle hands the devil’s workshop? Incapacitation, concentration, and juvenile crime
Y1  - 2003
DO  - 10.3386/w9653
JF  - American Economic Review 
VL  - 93
IS  - 5

ER  -