Here's an interesting paper that largely confirms your supposition: https://static.googleusercontent.com/media/research.google.com/en/us/pubs/archive/42942.pdf

Here's an interesting paper that largely confirms your supposition: https://static.googleusercontent.com/media/research.google.com/en/us/pubs/archive/42942.pdf https://static.googleusercontent.com/media/research.google.c...