TY - JOUR T1 - Instrumental Variable Estimation of a Characteristics Model of Demand JO - The Review of Economic Studies PY - 1981/01/01 AU - Pudney SE ED - DO - DOI: 10.2307/2297155 PB - Oxford 海角社区 Press (OUP) VL - 48 IS - 3 SP - 417 EP - 417 Y2 - 2025/05/18 ER -