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**Note: There were 3 prior Compustat pulls. The 1st is used to create several cross reference tables that are not made obsolete by the subsequent pulls.
→Introduction of Compustat and Preparation for Stata
*Create table LBOCOMPUSTAT4 with Compustat data imported.
*Create table dealnumbxgvkey selecting deal numbers and gvkeys from table sdc.
*Create table stdcompnamestdorgnamematched with standardized compustat names matched against stdorgname
*Create table matchedlbocompnames with standardized original lbo names matched to standardized compustat names
*Create table compnamematchlbocompnames with standardized compustat names, compustatnames, and standardized original lbo names
*Create table stdcompnamepatentjoin with variables standardized compustat names and patent numbers
