Viz the lit-crit question, I have a friend from grad school who wrote his dissertation on audience building in repertory theatre in the plays of Shakespeare. It probably touches at least a bit on what you're asking about. He's brad at berens.org if you want to chat with him personally like. Also, Stephen Booth, in a smallish chapter in his book King Lear, Macbeth, Indefinition and Tragedy touches on it when he talks about doubling.
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Viz the lit-crit question, I have a friend from grad school who wrote his dissertation on audience building in repertory theatre in the plays of Shakespeare. It probably touches at least a bit on what you're asking about. He's brad at berens.org if you want to chat with him personally like. Also, Stephen Booth, in a smallish chapter in his book King Lear, Macbeth, Indefinition and Tragedy touches on it when he talks about doubling.