That is their assumption for global buyout as an asset class. You can grab their allocation assumptions at [1]. There is a "Download data" button on the page with the assumptions for a variety of base currencies.
You can also back out a ballpark beta from the MM theorems and what we know about company leverage post LBO. See [2] foot note 6.
You can also back out a ballpark beta from the MM theorems and what we know about company leverage post LBO. See [2] foot note 6.
[1] https://blackrock.com/institutions/en-us/insights/charts/cap...
[2] https://www.aqr.com/Insights/Research/White-Papers/Demystify...