TY - BOOK AU - Christensen,Bent Jesper AU - Kiefer,Nicholas M. TI - Economic modeling and inference SN - 9780691120591 U1 - 330.015195 22 PY - 2009/// CY - Princeton, N.J. PB - Princeton University Press KW - Econometric models KW - Economics KW - Statistical methods KW - Mathematical models N1 - Includes bibliographical references and index ER -