The
previous section dealt with the concept of insurance pricing. This section will
deal with the pricing
procedure, and its determination.
Basically,
pricing procedure is a methodical and sequential use of technique to determine
the right
price of the product. The insurer can determine the pricing procedure based on
Sales area
(Sales
Organisation, Distribution Channel, and Division), Customer Pricing Procedure
(CPP), and
Document Pricing Procedure (DPP).
The
following elements are considered while pricing insurance products:
Claims
cost – It includes claims paid in conjunction with settlement expense, estimate
far outstanding
claim, and so on.
Business
acquirement cost – It includes commission, brokerage and business development cost,
and so on.
Management
expenses – These include salaries, rent and other expenses necessary for managing
an organisation.
Profit –
It include return on the capital cost.
Pure
premium method
The pure
premium is the average loss per coverage unit, or in particular, the product of
the average
severity and the average frequency of loss.
The
average frequency of loss (F) is obtained by dividing the number of losses
invited (NL) from the
number of coverage units (NE) in the appropriate class. This concept is used to
calculate the
average
number of losses for all insured.
The
average severity loss (S) is obtained by dividing the monetary amount of all
losses (SL) from the
number of losses invited (NL). It represents the severance of the loss.
Thus,
the pure premium is determined by multiplying the average frequency of loss and
the average
severity of loss, but it reflects the average loss of insured expectations. In
order to meet
all the
losses, each insured who are involved in the particular class of business must
pay the amount
before commissions and administrative expenses.
Pure
Premium (PP) = (average frequency of loss) * (average severity of loss)
PP = (NL/NE) * (SL/NL) = (SL/NE)
These
concepts can be used to determine the losses, but they do not consider the
distribution of losses.
Thus, the pure premium distribution is defined as the probability distribution
of total
losses
for an appropriate class of business.
A
measure of the intrinsic variation in the population is the variance
represented by:
σPP2 = Σ
(PP - μ) / (n-1)
Where, μ
= theoretical pure premium distribution mean.
However,
the marketing manager refers only a sample but not the entire pure premium population.
Thus, while estimating μ they are expected to refer to the true value.
Assume
that the insurance marketing manager refers to a sample randomly from the basic
pure premium
distribution. Then, it shows that the average losses for a sample of n coverage
units
follow a
normal distribution. In other words, if they refer random samples continually
then it represents
the average or mean of the sample pure premium follows a normal distribution.
Thus,
the
standard variation or error of the mean of a sample pure premium distribution
(σm) is defined as the
standard deviation of the pure premium population distribution adjusted by the
number of
coverage
units and is given by,
σm = σPP
/ √n
The
calculation of standard error of the pure premium distribution is necessary
because the average
pure premium is incremented by a risk factor that compensates the error to the
expected
variations
in the productivity.
In
addition, the accuracy of the estimation increases with the increase in the
number of coverage because
the standard error of the average of the pure premium decreases with the
increase in the
sample
size.
Two
other factors also come into picture during the estimation of pure premium,
which are credibility
factor and loading factor.
Credibility
factor refers to the extent to which an experience of an appropriate insured
considered in the
pricing process. It refers to the amount of confidence of the price-maker
(marketing
manager)
to show that the available data represents the losses to be expected in the
future accurately.
Thus, the equation for the acceptable pure premium is given by,
PPacceptable
= (C*PPi) + ((1 – C)*PP)
Where,
PPi = pure premium derived from the experience of the insured.
PP =
pure premium derived from the experience of the actual population.
C =
credibility factor, 0 ≤ C ≤ 1
Loading
factors refers to the transaction expenses and the profit margin expressed in
terms of percentage.
Taking into account the traditional issues in concern with the economic
objectives of
regulation
and the fair price discrimination, the gross premium value is determined by
using the equation,
Gross
premium = Pure premium / (1 – loading factor)
The pure
premium can also be determined as follows,
Let,
The
costs of set of events to be covered for an individual on yearly basis,
{c} =
{c1,c2,…,cn}
Probabilities
that occur for each events in a year, {p}={p1,p2,…,pn}
The risk
function of this insurance policy be X. Then, X(ci) =pi
Group of
persons insured, {H} = {1,2,…,h}

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