The position of each country/area
i in the international market of operation k is represented by its relative
balance, which is given as a percentage by:
with: representing
the credits of country i for operation k; the
debits of country i for operation k, and; world transactions in operation k.
where:
with:
width="22" height="18"> representing total world credits in operation
k, and; total world debits in operation k.
Market
Position
For a country i and an operation
k, the current balance is measured by:
with: representing the GDP of country i; the credits of current operations of country i, and; the debits of current operations of country i.
representing
the credits of country i for operation k;
the
debits of country i for operation k, and;
world transactions in operation k.
with: 
width="22" height="18"> representing total world credits in operation
k, and;
total world debits in operation k. 
representing the GDP of country i;
the credits of current operations of country i, and;
the debits of current operations of country i.