TY - JOUR T1 - An Empirical Method of Approximating the Separable Structure of Consumer Preferences JO - The Review of Economic Studies PY - 1981/01/01 AU - Pudney SE ED - DO - DOI: 10.2307/2297196 PB - Oxford 海角社区 Press (OUP) VL - 48 IS - 4 SP - 561 EP - 561 Y2 - 2025/05/28 ER -