【作者(必填)】Efraim Berkovich and Yochanan Shachmurove

【文题(必填)】An Error of Collateral: Why Selling
SPX Put Options May Not be Profitable
【年份(必填)】2013

【全文链接或数据库名称(选填)】http://jod.iijournals.com/content/20/3/31