样本选择和数据收集
的初始样本经验丰富的产品从公司公告刊登在《华尔街日报》和投资经销商的消化期1963 – 80。样品的最终选择了以下标准:-
——已经在纽交所上市股票或美国运通在公告日期和上市后至少61天的贸易。
——《华尔街日报》,企业和行业指数(ICI),F &年代和注册提供统计数据(ROS)预测的日期公告。
——目前还没有公告关于优先股。
——发行股票公开发行(ipo)的一部分。好的产品被排除在样本。
——二次发行,没有结合原始股或初级产品被排除在外。
Sample selection and data collection
The initial samples of seasoned offerings were taken from the firm’s announcements published in the Wall Street Journal and the Investment Dealer’s Digest for the period of 1963-80.The final selection of samples was made on the following criteria:-
– The stock is already listed on NYSE or AMEX before the announcement date and was listed for at least 61 following days of trade.
– Wall Street Journal, Index of Corporations and Industries (ICI), F & S, and Registered Offering Statistics (ROS) predicted the date of public announcement.
– There were no immediate announcements regarding the preferred stocks.
– The stock issued were a part of public offerings. All right offerings were excluded from the samples.
– Secondary offerings which were not in combination with initial offerings or primary offerings were excluded.
