A Discrete/Continuous Choice Approach to Residential Water Demand under Block Rate Pricing: Comment
指出一篇关于阶梯水价下居民用水需求论文中的一处排版错误，即第323页第一列最后一行对公式[5]中某个变量的解释有误。
The error appears on page 323, the last line in the first column. This line is an explanation of one of the variables shown in equation [5], which appears before the explanation of the variables.