societal uncertainty institutional uncertainty http://www.nusap.net/modules.php?op=modload&name=NS-Glossary&file=index Jinjing Guo Oliver He Jie Zheng Institutional uncertainty is in some sense a subset of societal uncertainty, and refers more specifically to the role and actions of institutions and their members. Institutional uncertainty stems from the "diverse cultures and traditions, divergent missions and values, different structures, and work styles among personnel of different agencies" (De Marchi, 1994). High institutional uncertainty can hinder collaboration or understanding among agencies, and can make the actions of institutions difficult to predict. classification to be confirmed 机制不确定性