Time inconsistency
Central bank wants to make a credible announcement today but tomorrow central bank has incentive to deviate from it
-> e.g. central bank promises low inflation rate -> households believe it -> set prices/ wages accordingly -> later central bank is tempted to adapt a more expansionary policy to boost outpot and employment in the short-term
-> Conclusion: Households be aware of this incentive -> anticipation of higher inflation from the beginning
Reasons against 0% inflaiton
measurement errors
downward nominal rigidities in wages
deflation risk worse than inflation risk
greater room for monetary policy -> Fisher Relation
ECB monetary policy strategy
primary objective is to maintain price stability, secondly other economic policy objectives (e.g. high level of employment)
inflation target is 2% over the medium-term
ECB interest rates remain primary monetary policy instrument
Clear defined integrated anayltical framework
US FED policy strategy
Dual Mandate -> Maximum/full employment & price stability
2% avg. inflation target -> widely interpretation of avg. 2% target (uncertainty may de-anchor inflation expectations)
Full employment objective is only persued asymmetrically -> only negative deviations are countered (unless overemployment -> undesired rise in inlation)
FED is not that clear about pillars of its analysis -> usage of multi indicator approach
FED instruments
open market operations -> FED buys or sells assets to change the supply of non-borrowed reserves (normally outright operations vs. repo)
Discount lending policy
Primary credit -> backup liquidity to sound banks (like marginal lending facility)
Secondary credit -> for commercial banks with liquidity problems
Seasonal credit
Minimum Reserve Requirements
Interest Rate on Reserves (ior)
ECB instruments
Main Refinancing operations -> short-term collateral loans to commercial banks (Managing reserves R)
Longer-term Refinancing operations -> medium-term collateral loans to commercial banks
2 standing facilities -> marginal lending facility iml & deposit facility ir
Minimum reserve requirement -> commercial banks are required to hold reserves to their liabilities (Min. reserve guarantees sustained demand for reserves)
Money Market (Interbank Market)
market where commercial banks can trade the central bank Reserves R among themselves
Inflation targeting
Comparision of medium-term inflation rate forecast with inflation target
if it differs -> instruments to change inflation rate
Corridor System
central bank controls money market interest rate i by adjusting the supply of reserves R
Floor System
money market interest rate is adjusted by the deposit facility rate iR
-> no precise control of reserve levels necessary
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