Steve Vladeck seems to be a prominent expert on SCOTUS and the shadow docket. He's a critic of how often it's used. I couldn't find anything that directly answ

Steve Vladeck seems to be a prominent expert on SCOTUS and the shadow docket. He's a critic of how often it's used. I couldn't find anything that directly answers your questions but you can check out his blog. https://www.stevevladeck.com/ https://www.stevevladeck.com/