世界银行：衡量收入和财富分配的上尾部（英文版）

This paper describes the challenges of accurately measuring the upper tail of the income and wealth distributions in low- and middle-income countries. It reviews the seminal contributions in the literature on measuring the top of the income distribution and then more recent work, focusing on the challenges in doing so and the solutions that have been proposed. The paper focuses mostly on incomes, but it devotes a specific section to examining measurement of the top of the wealth distribution