郭震坤2020-02-142020-02-1419951018-1601https://scholars.lib.ntu.edu.tw/handle/123456789/459077Duration and Convexity Gaps: Definition and Hedgingjournal article10.6226/NTURM1995.6.2.159http://dx.doi.org/10.6226/NTURM1995.6.2.159