This paper considers the monetary policymaker's joint problem of model estimation and the design of a policy rule in the face of uncertainty regarding the process of structural change in the economy. Unobserved structural change is modeled through time variation in the natural rates of interest...

This paper is an endeavor to outline the Federal Reserve System's theoretical perspective of the financial market during the last three decades. It is a glimpse into the policies of regulatory authorities at the Fed whose designed path of financial growth led the US economy to its worst crisis...