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6 J. Banking Reg. 6 (2004-2005)

handle is hein.journals/jlbkrg6 and id is 1 raw text is: Editorial
Why banks hold capital in excess of
regulatory requirements: The role of
market discipline

In June 2004, the proposed amendments to
the Capital Accord (Basel II) were agreed
and are scheduled to take effect in January
2005. An overriding objective of Basel II is
to allow market forces to play a more
important role in setting capital standards
in order to enhance the risk sensitivity of
banks' capital allocation. In G10 countries,
however, banks already hold capital signifi-
cantly  in  excess of regulatory   capital
requirements. If an important objective of
Basel II is to make a bank's capital more
risk sensitive, it appears that banks may
already be meeting this objective and that
reform of international capital standards
may be misguided. This essay suggests that
excess capital levels in the banking sector
may be due to market failures and inade-
quate regulation. Indeed, it is argued that
excessive reliance on market discipline may
result in inefficiencies in the banking sector
and may also pose a threat to financial sta-
bility. What are the implications for regu-
latory reform?
EXCESSIVE RISK-TAKING BY BANKS
GIVES A ROLE FOR MINIMUM CAPITAL
STANDARDS
The   experience  of the   Basel Accord
demonstrates that regulators have accepted
that an important way of building confi-
dence in the banking sector is to require
banks to hold minimum levels of capital
against their risk-based assets. Bank capital
requirements are based on the notion that

banks have an incentive to underprice
financial risk and therefore create too much
of it in financial markets. The economic
costs incurred by banks when they under-
price risk are far less than the social cost
such risk poses for society at large, as
demonstrated by recent banking crises.
In the 1970s and early 1980s, most coun-
tries  did  not  have   minimum     capital
requirements for banks. After several bank-
ing and financial crises in the early 1980s,
the UK and USA initiated the drive for
minimum capital standards by adopting a
bilateral capital agreement in 1985 that
provided the basis for the G10 country
negotiations that eventually led to the 1988
Basel Capital Accord. The Accord estab-
lished the first minimum international capi-
tal standards for banks operating in G10
countries. Its 8 per cent minimum capital
standard consisted of 4 per cent tier one
capital (equity and reserves) and 4 per cent
tier two capital (subordinated debt and
general provisions). This capital standard
was much higher than the capital main-
tained by most banks prior to the Accord's
adoption   and  resulted  in  a   dramatic
increase in capital levels for most banking
systems. Although the Accord was not
binding as international law, its 8 per cent
capital  ratio  became   an  international
benchmark that has been implemented into
the national law and administrative code of
over 100 countries. The binding effect of
the Accord under national law resulted in

Journal of International Banking
Regulation, Vol. 6, No. 1,
2004, pp. 6-9
© Henry Stewart Publications,
1358-1988

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