<p>1.DECOMPOSING PREFERENCE SHIFTS FOR MEAT AND FISH IN THE NETHERLANDS，MJJ Mangen, AM Burrell - JOURNAL OF AGRICULTURAL ECONOMICS，2001</p>2.A variant on the argument for the invariance of estimators in a singular system of equations，KR Mclaren - Econometric Reviews, 1990 <p>3.The Structure of Changing Tastes for Meat and Fish in Great Britain. M Burton, T Young - European Review of Agricultural Economics 1992</p><p>4.Estimating preference change in meat demand in Saudi Arabia，SH Al-Kahtani, BEE Sofian - Agricultural Economics, 1995</p><p>5.Maximum likelihood estimation of a complete system of demand equations，AP Barten - European Economic Review, 1969</p><p>非常感谢!</p>