Khan, Aubhik; King, Robert G.; Wolman, Alexander L. - Federal Reserve Bank of Richmond - 2001
multiplicity is a form of policy complementarity. Specifically, prices set in the current period embed expectations about future … policy, and actual future policy responds to these same prices. For a range of values of the fundamental state variable — a … ratio of predetermined prices — there is complementarity between actual and expected policy, and multiple equilibria occur …