Airbus (OTCPK:EADSF) is "being very careful" not to spark a price war with Boeing (NYSE:BA) in the narrow-body passenger jet market and will seek to maintain a 60-40 split (in Airbus' favor) "even though the natural market might be two thirds-one third," COO for customers John Leahy tells FT. BA indicated last year it would "respond in kind" to aggressive sales strategies. One recalls the kinked demand curve model from Econ 101.