I'd rather hoped for something on reindeer genetics.

"Someone should do behavioral economics studies on groups of autistic individual. Would surely validate the mid-20th century microeconomic consensus."

I think they have done behavioral economics studie on autistic individuals, and they tend to fit in with the economic assumptions (rational selfishness, not caring much about reciprocity), while most people don't fit into the supposed models of behavior.

Are psychopaths related to autistics in pathology?

Psychopaths have very low empathy, but they are great at reading other people's minds (the better to manipulate them), not terrible at it like autistics.

So I guess empathy and ability to read others social cues are two detached things....

eg. "regular" people = good at cues, empathetic
psychopaths = good at cues, not empathetic
autistics = bad at cues, not empathetic? or bad at cues, trying to be empathetic?

I read somewhere once that autism is a lack of theory of mind. This lack of yawning would seem to support this idea.

The presence of yawning in species that we don't consider to have much of a theory of mind provide an obvious contradiction to that argument.