Unfortunately, the Wikipedia article (that I wrote many years ago) is way out of date :-( See the following for Actors: https://papers.ssrn.com/abstract=34180

Unfortunately, the Wikipedia article (that I wrote many years ago) is way out of date :-( See the following for Actors: https://papers.ssrn.com/abstract=3418003 https://papers.ssrn.com/abstract=3418003