TY - JOUR T1 - Is there an association between gasoline prices and physical activity? Evidence from American Time Use data AU - Sen, Bisakha PY - 2012 DO - 10.1002/pam.21601 SP - 338 EP - 366 JO - Journal of Policy Analysis and Management VL - 31 IS - 2 SN - 0276-8739 ER -