I confess that, on its face, this did not strike me as the most exciting topic to read about (and that comes from someone who writes about the incredibly obscure world of sovereign debt contracts). After all, who even knows what EBITDA definitions are? Sounds like something from the tax or bankruptcy code. But don’t let the topic be off putting. This is a wonderfully interesting project; and elegantly executed (here). By the way, EBITDA stands for earnings before interest