The underpricing and long term performance of high tech and non-tech initial public offerings-evidence from the usa

The underpricing and long term performance of high tech and non-tech initial public offerings-evidence from the usa 

please see attached document and proposal need to including 1. please write the methodology part first and send me the sources and companies’ data first by 9/27/2019. I have a meeting with the professor on that day. 2. The methodology part needs STATA to process the data and see if the results are significant 3. The paper needs 50 high tech companies and 50 non-tech companies samples please be careful with all instructions thanks!