Stat 583
Comments to Homework 1
Question 2
For an extension of this model (from a non-Bayesian point of view), see
Guttorp and Thompson (1990), JRSS B 52: 157-173.
Question 3
This inequality is sometimes called the Principle of Precise Measurement, and
says basically that if the prior is not too peaked, and if the experiment is
informative (so the likelihood is peaked), then the posterior is well
approximated by the likelihood (normalized to be a density).