Central Bank Independence…
S&A No. 120
33
4. Conclusions
This paper discusses the role of institutional arrangements in anti-inflationary
policy in transition economies of Central Europe and former USSR. The economic
theory explains various motives for excessive monetary expansion. Policymakers can
be tempted to increase employment above the natural level, collect the seignorage
revenue, improve the balance of payment position or stabilise the financial system.
The first motive is not very important in the high inflation environment which is
characteristic for transition period. Other motives have significant effect on the
inflationary history in post communist countries. Revenue motive seems to be crucial
for understanding the excessive monetary expansion. The theory predicts that the
temptation to use monetary policy combined with rational expectations of the private
agents results in inflationary bias in the economy. People know the policymakers'
goals and adjust to it by higher inflationary expectations. The optimal policymakers'
response is to inflate at the rate expected by the people. The resulting equilibrium is
sub-optimal, i.e., the inflation is higher and there are no real gains for the society. The
solution to the problem is delegating monetary policy to the independent and
conservative Central Banker. The paper investigates the degree of Central Bank's
independence (CBI) in transition countries by constructing two indices of legal
independence. The results show that the countries more advanced in reforms seem to
have more independent Banks. In further analysis a strong relationship between
inflation performance and the legal CBI emerges. However, the outcomes of the
statistical procedures have to taken with caution. Firstly, the sample under
investigation is small and the time horizon is too short to draw any decisive
conclusions. Secondly, the transitional economies are at different stages of reforms
and the differences in inflation performance may be affected by other factors. Thirdly,
the results do not imply causality between CBI and inflation. The independence might
be upgraded after the successive stabilisation. The possible extension of the
quantitative analysis may be investigation of the duration of the disinflationary
process. This is left for further research.
It is important to note that the problem of CBI is wider than the concept of legal
independence. To fully assess the Central Bank performance it is necessary to look at
the actual independence, i.e., take into account the degree of adherence to the law in
practice. The behavioural indices of CBI proposed in the literature are based on
Governors' turnover rate or on the vulnerability of the Governor to political changes.
These two measures reflect the political independence of the Bank. The economic
independence may be evaluated by comparing the legal limits on lending to the
Government with actual practice. The problem of actual CBI will be investigated in
further research.
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