The type of posthoc study that Harvard did has to be moved into a real time dashboard for marketing and sales management as well as agents to see and use.
These arguments, briefly summarized, constitute, in my view, an overwhelming case against covert operations since such operations must by definition be carried on in secret and cannot be evaluated even on a posthoc basis.
In a post-hoc analysis comparing average stock prices from 120 to 60 days before results were announced to the average price for the subsequent 60 days, those reporting positive results saw a mean increase in share price of 9.4 percent.