TY - BOOK AU - Berry,Steven AU - Levinsohn,James AU - Pakes,Ariel TI - Differentiated products demand systems from a combination ofmicro and macro data : the new car market AV - HF1757 B477D PY - 1998/// CY - Cambridge, Mass PB - National Bureau of Economic Researcg KW - DEMAND (ECONOMIC THEORY) KW - UNITED STATES KW - ECONOMETRIC MODELS KW - AUTOMOBILE INDUSTRY AND TRADE KW - SUPPLY AND DEM KW - DIVERSIFICATION IN INDUSTRY KW - ECONOMETRIC MODE KW - ECONOMICS KW - RESEARCH ER -