TY - BOOK AU - Saffer,Henry AU - Chaloupka,Frank TI - Demographic differentials in the demand for alcohol and illicit drugs AV - HV5289 S233D PY - 1998/// CY - Cambridge, Mass. PB - National Bureau Economic Research KW - DRINKING OF ALCOHOLIC BEVERAGES KW - DRUG ABUSE KW - ECONOMICS KW - RESEARCH ER -