Preference changes and index number theory
回顾了偏好变化下指数数的经济方法，探讨了长期时间序列和国际比较中偏好不变假设失效的问题，并提出了处理该问题的建议及其对价格和数量指数测量的影响。
Abstract The economic approach to the cost of living index assumes that consumer preferences remain constant over time. This assumption poses little risk in calculating a short‐run intertemporal bilateral price index. The assumption, however, breaks down in the case of a fixed‐based time series index spanning a long period and in the context of international comparison. The economic analysis of preference changes, however, is not well‐established. In this paper, we review the economic approach in index numbers under preference changes. Suggestions are made on how to approach the problem and their implications for the measurement of price and quantity indices.