W. Maliszewski
CASE Foundation
14
when shocks are large enough. Lohmann (1992) shows that this institutional setting
dominates zero-inflation rule, full discretion and the Rogoff (1985) solution.
1.4.3. Credibility vs. Flexibility Trade Off and Political Monetary Cycles
Although so much theoretical work has been done to alleviate the credibility vs.
flexibility trade off, empirical works on CBI does not support the Rogoff's hypothesis
that the more independent Central Bank causes higher output variability. Alesina and
Gatti (1995) show that in the political monetary cycles model more independent
Central Bank may provide even lower variance of output than the social planner. The
point is that the conservative Banker does not care enough about the stabilisation of
the supply shocks but, instead, protects the economy from the politically induced
cycles as in Alesina and Sachs (1988) model. In result the overall output variability
may be lower.
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