rationality   1188

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A Behavioral Defense of Rational Expectations
This paper studies decision making by agents who value optimism, but are unsure of their environment. As in Brunnermeier and Parker (2005), an agent’s optimism is assumed to be tempered by the decision costs it imposes. As in Hansen and Sargent (2008), an agent’s uncertainty about his environment leads him to formulate ‘robust’ decision rules. It is shown that when combined, these two considerations can lead agents to adhere to the Rational Expectations Hypothesis. Rather than being the outcome of the sophisticated statistical calculations of an impassive expected utility maximizer, Rational Expectations can instead be viewed as a useful approximation in environments where agents struggle to strike a balance between doubt and hope.
papers  to-read  rationality  economics  robust_control  decision-making  information-theory  decision-theory 
3 days ago by mraginsky
James Randi Speaks: The Carlos Hoax - YouTube
In this episode, Randi recalls the phenomenon that was "Carlos," and how the media is often responsible for creating phenomena simply by reporting it in a credulous fashion.

Original News Footage of Carlos from Australian TV; this was a fake medium/channeler. I might search for this on the words cult or religion.
Rationality 
10 days ago by rlpowell
Project Alpha Lookback w/ Michael Edwards 1 of 2 - YouTube
Original Alpha Kid, Michael Edwards pays a visit to the foundation and recalls some of the behind the scenes tricks that he and Steve Shaw (Banachek) did during the MacLab test.

From Wikipedia:
Project Alpha was an elaborate hoax orchestrated by the stage magician and skeptic James Randi. It involved planting two fake psychics, Steve Shaw (now better known as Banachek) and Michael Edwards, into a paranormal research project. During the initial stages of the investigation, the researchers came to believe that the pair's psychic powers were real. However, more formal experiments, as well as criticism from both the parapsychology community and Mr. Randi himself, led them to dismiss their initial trust.[1] The hoax was later revealed publicly.

The success of Project Alpha led Randi to use variations of the technique on several other occasions.
Rationality 
10 days ago by rlpowell
Thinking in a Foreign Language Makes Decisions More Rational | Wired Science | Wired.com
The researchers believe a second language provides a useful cognitive distance from automatic processes, promoting analytical thought and reducing unthinking, emotional reaction.

“Given that more and more people use a foreign language on a daily basis, our discovery could have far-reaching implications,” they wrote, suggesting that people who speak a second language might use it when considering financial decisions. “Over a long time horizon, this might very well be beneficial.”
2012  article  wired  rationality  language  decisionmaking  from delicious
26 days ago by meryn

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