Changes

In general there is a policy maker who choses a policy to implement <math>p\,</math>, based on some facts about the state of the world <math>\theta\,</math>. There is also a Special Interest Group (SIG) who observes the facts about the state of the world but has a bias <math>\delta > 0\,</math>. The utility functions of both types of players are inverse quadratic(i.e. quadratic loss functions).