Questions tagged [efficient-markets]

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10
votes
5answers
1k views

What are the arguments against the rational expectations hypothesis?

I believe the rational expectations hypothesis says that agents in a model bear expectations that are the same as mathematical expectations. Under what circumstances does this hypothesis become ...
7
votes
4answers
3k views

Is market failure constant? What properly defines it?

My textbook defines market failure as when "the production or consumption of a good or service causes additional positive or negative externalities on a third party not involved in the economic ...
3
votes
0answers
58 views

Market efficiency in software, music, news, etc

I'm not an ecomonist, but have been tossing around some ideas in my head for a long time and thought I might ask here what resources or existing work might be out there. There are a lot of market ...
3
votes
3answers
273 views

Does my research prove market inefficiency?

The long story short, I have developed an index based on a certain distribution. Then I aligned NYSE stocks according to this index i.e. the stocks with the best fit are first and the worst are last. ...