How to measure informal institutions
指出衡量非正式制度面临的困难，批判性讨论已有尝试，并鼓励更多使用实验方法来测量非正式制度，对研究制度与经济发展的学者有参考价值。
Abstract There have been repeated claims that informal institutions play an important or even crucial role in economic development. Yet measuring informal institutions entails serious challenges. This paper identifies the difficulties in measuring informal institutions, critically discusses some attempts hitherto taken and encourages the more intensive use of experiments to measure them.