0 s.th. This curve is not convex at all on the interval being graphed. [1] In some cases, non-linear pricing or bargaining may overcome the failures of markets with competitive pricing; in other cases, regulation may be justified. Don’t Start With Machine Learning. [1] Example: The asymptotic directions of a level set sequence of a convex quadratic S k = fx jx0Qx + c0x + b kg; k #0; are noncritical with respect to