“…2. See, for example, Averch and Johnson (1962), Baumol and Klevorick (1970), Joskow and Schmalensee (1986), Beesley and Littlechild (1989), Cabral and Riordan (1989), Braeutigam and Panzar (1989), Lewis and Sappington (1989), Schmalensee (1989), Brown et al (1991), Liston (1993), Weisman (1993), Gasmi et al (1994), and Sappington and Weisman (1994~).…”