I'm not sure you should be mixing perfectly rational buyers and imperfect markets together and then hypothesizing A therefore B from those assumptions. Are the

I'm not sure you should be mixing perfectly rational buyers and imperfect markets together and then hypothesizing A therefore B from those assumptions. Are there better economic theories than traditional microeconomics? Something that (a) models information asymmetry, (b) models measurement risk/variability of expectations versus actual reward, (c) doesn't assume a perfectly rational consumer or producer - instead follows what we see in the world better?