Sunday, November 30, 2014

gr01 If You're So Smart, Why Aren't You Rich? Belief Selection in Complete and Incomplete Markets

 
If You're So Smart, Why Aren't You Rich?

Belief Selection in Complete and Incomplete

Markets


Abstract: This paper provides an analysis of the asymptotic properties of


Pareto optimal consumption allocations in a stochastic general equilibrium
model with heterogeneous consumers. In particular we investigate the market

selection hypothesis, that markets favor traders with more accurate beliefs.


We show that in any Pareto optimal allocation whether each consumer van-

ishes or survives is determined entirely by discount factors and beliefs. Since

equilibrium allocations in economies with complete markets are Pareto opti-

mal, our results characterize the limit behavior of these economies. We show

that, all else equal, the market selects for consumers who use Bayesian learn-

ing with the truth in the support of their prior and selects among Bayesians

according to the size of their parameter space. Finally, we show that in

economies with incomplete markets these conclusions may not hold. With

incomplete markets payo
functions can matter for long run survival, and

the market selection hypothesis fails.
 


Estimating production technology for policy analysis: trading ...

www.researchgate.net/.../257640959_Estimating_production_...
ResearchGate
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... technology for policy analysis: trading off precision and heterogeneity. ... The MaxEnt extension of a quantum Gibbs family, convex geometry and geodesics.
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