The Manila Water chief explained that the threshold population size is about half of the group's main business which is the east zone concession in Metro Manila.
(a) Calculating the threshold population in the same way as above
Also shown is the threshold population, quota X 1.5, which must be surpassed if the seat entitlement is to be rounded up to two seats.
Its seat entitlement worked out as 2.3751, and, because its threshold population for rounding up, 2.5, does not lie within its 95 per cent confidence interval, this is rounded down to two.
'In commercial terms, there is one overriding measure and that is profit: the presence of sufficient demand, another expression of a threshold population, for the operation to return a profit to its owners.'
During that same time period, the monopoly entry threshold population level remained remarkably constant, while the duopoly entry threshold population level increased substantially.