Frank Müller-Langer and Marc Scheufen have self-archived "Just Google It!—The Google Book Search Settlement: A Law and Economics Analysis" in SSRN.
Here's an excerpt:
Our law and economics analysis of the Book Search Project suggests that—from a copyright perspective—the proposed settlement may be beneficial to right holders, consumers, and Google. For instance, it may provide a solution to the still unsolved dilemma of orphan works. From a competition policy perspective, we stress the important aspect that Google’s pricing algorithm for orphan and unclaimed works effectively replicates a competitive Nash-Bertrand market outcome under post-settlement, third-party oversight.
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