Modelowanie procesu podejmowania decyzji przez Radę Polityki Pieniężnej

Decision-making process made by committees are nowadays the most popular way of interest rate setting. The committee size, length of tenure, and the organization of the interest rate meeting could affect the voting behavior and influences the policy outcome. This paper reviews different views about the role of expectations in monetary policy - how they are set up and how they evolve over time. An important contribution of this paper is to show two different modeling approaches: collective decision-making process based on game theory and classical statistical one. The results are applied to the National Bank of Poland decision making process in 1998-2011.