TY - SER ED - American Economic Association TI - American economic journal: economic policy SN - 1945-7731 PY - 2009///- CY - Pittsburgh PB - American Economic Association KW - ECONOMIA URBANA KW - ECONOMIA REGIONAL KW - POLITICA GUBERNAMENTAL KW - POLITICA SOCIAL KW - REGULACION ECONOMICA KW - RECURSOS NATURALES ER -