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the left-behind. Rhodes confessed ambition for his company

and then attack? Why wouldn’t a bird send an alarm in the absence of danger

send a submissive signal at the start of the interaction

put on a tough-guy show and scare off his opponents? Why wouldn’t a dog who

deceiving others into believing that they were really tough

he is conveying his desire for friendship. The new signaling

he is signaling his submissive status. When a bird gives an alarm call

he is signaling his motivation to attack. When a dog puts his tail between his

and a challenge to the traditional approach

and all 19 other males do the same thing

especially if he is the only one displaying in this way. But if

consider a baboon troop with 20 adult males. Imagine that one of the

but return smaller benefits. How well any given

each with different payoffs. Some strategies are more costly

those simplifying assumptions would give pure consumption as three

separately argued something like that in the 1950s for adults. My

mentioned earlier for their opposite reactions to

but nature gives them that taste for the

that I prefer to neglect it in modeling. Job learning

as Schultz’ pure kind. Here I would fault Mincer and his pupil