>I don't know what the relative yields and costs are for producing the two drugs. That may be significant too.<
The difference between the two drugs in COGS is significant. Lucentis is not glycosylated and hence it can be cheaply produced from bacteria in DNA’s South SF plant that is dedicated to this production method.
“The efficient-market hypothesis may be the foremost piece of B.S. ever promulgated in any area of human knowledge!”