''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' 'DC.Title: Cusiper ' 'DC.Description: Prefix zeros to CUSIPs whose preceding zeros were truncated ' in MS Excel, and then. ' ' 1) Convert 6-digit CUSIPs to 8-digit CUSIPs for CRSP, I/B/E/S ' and Execucomp. ' ' 2) OR keep it as 6-digit CUSIPs for Compustat. ' ' 3) OR from 8-digit CUSIPs from, say, Thomson, to CUSIPs with ' leading zeros and replaced zeros for last digit. ' ' 4) OR from 8-digit CUSIPs to 6-digit CUSIPs ' 'DC.Contributor: Jian Bai, jianbai@princeton.edu Please do cite or let me know ' if you use this program for your published paper ' ' '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' cusip converter