Portfolio beta coefficient:

βPiSiβi

=---------------

Tn

T

Canadian Mortgages

r = annual interest rate expressed as a decimal.

 

 

 

1

 

 

 

 

--

 

monthly factor

r

6

100

=

 

1 + --

 

1

 

2

 

 

 

 

 

 

Miscellaneous

Learning Curve for Manufacturing Cost

Cn = Cost of the nth unit.

C1 = Cost of the first unit.

n = number of units.

r = learning factor.

k = ln r / ln 2

Cn = C1nk

Cij = the average cost of the ith through jth unit.

 

 

=

C1

 

jk + 1 ik + 1

 

 

 

Cij

j----------1

 

----------------------------k + 1

This formula is only approximate and may give appreciable error at small i.

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Image 163
HP 12C manual Canadian Mortgages, Miscellaneous, Portfolio beta coefficient, Learning Curve for Manufacturing Cost