How to go about doing this is illustrated by a paper published in the Public Library of Science by Kartik Venkatesh of Brown University and Jessica Becker of Yale.

来自美国布朗大学的Kartik Venkatesh和耶鲁大学的Jessica Becker在公共科学图书馆上发表了一篇文章，他们在文章中对如何估算成本效益进行了解释。