Comparative Statics

ninguen

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Jan 1, 2012
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Can someone please explain to me the logic behind applying derivatives to the multiplied expected utilities in comparative statics?

I understand the "how", but I don't understand the "why".
 
I probably cannot, but I certainly cannot based on what you have said thus far. ... When you talk about "expected" utilities are you talking about expected values from some probability distribution, or is this economists' jargon for saying that utilities are subjective states of mind about an unknowable and hence unknown future? If you are not multiplying probabilities times utilities conditioned on the future state of the world to get an expected value, what are you multiplying utilities by and why?

... I can provides some BASIC help in economics. If you explain the problem more fully, I shall be able to tell you whether your problem is beyond me or not.

OK. Thanks. Basically, I'm still trying to wrap my head around this Nash stuff.

Here are the problems I've been working with.

www.youtube.com/watch?v=OTs5JX6Tut4#! (in this video starting at 4:04, the goalie misses the goal 0.5 of the time. But in the book, he misses the goal X of the time an comparative statics is used to find the answer)

http://www.youtube.com/watch?v=FJf5Iw9dDzk (In the actual book, he applies calculus to solve this game using comparative statics)

I really like game theory, and I'd love to figure out how to apply these to real-world models.
 
You are going to need to wait for someone who understands game theory. I looked at the videos, and the guy flies. Furthermore, the book or books that you are reading apparently alter and expand the models that are on the videos. I'll just make things worse. Sorry

NP. Thanks for trying.
 
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