A Comparative Study of Alternative Methods of Quantifying Qualitative Survey Responses Using NAPM Data
利用 NAPM 数据比较定性调查回答的不同量化方法
This article examines the effectiveness of a subjective probability approach to quantify three-category qualitative responses from expectations surveys. Since one cannot make a judgment on the validity of estimated expectations by comparing them with ex post outcomes, the authors use the National Association of Purchasing Managers survey data on materials buying prices and compare them with the Producer Price Index for intermediate materials and components for manufacturing.…