It's a hard field b/c there is not that much introductory / accessible material. There is a recent book by Belleflamme and Peitz, which should some day be foll

It's a hard field b/c there is not that much introductory / accessible material. There is a recent book by Belleflamme and Peitz, which should some day be followed up by a second volume about regulation. There is also a recent survey of the empirics by Marc Rysman and two coauthors.