Kokovin, Sergey; Nahata, Babu; Zhelobodko, Evgeny - In: Economics Letters 118 (2013) 3, pp. 439-441
In screening with non-concave costs: (i) cycles of active IC constraints can make all packages distorted; (ii) standard screening can be less profitable than price discrimination within a consumer type using first-come-first-served rationing.