ROBIN MARRIS
Emeritus Professor of Economics, London University.

No prospect now!
 

 

 

RESEARCH ON THE STOCK EXCHANGE

The Wall Street, London and European equity markets have been through a terrible boom and bust

At its height, whichever way you looked, the Indexes were at least twice as high as would be justified by reasonable expectations of profits and growth.

Has the crash gone too far?

It is impossible to predict when markets will actually turn, but it is possible to calculate, by means of fundamental economic theory, a range of reasonable values for the average Price-to-Earnings Ratio.

where p = long term ratio of earnings to assets (ie profit rate ie internal rate of return); g = growth rate;  i = interest rate, e = ERP.

 

TABLE 1

.

HISTORICAL DATA AND FUTURE ASSUMPTIONS

GDP per head

Population

GDP

Actual Growth Rates 1975-2002

UK

1.95

0.32

2.27

Euro

2.10

0.19

2.29

US

2.20

0.91

3.11

Assumed Future Growth Rates

UK

2.25

0.00

2.25

Euro

2.25

-0.50

1.75

US

2.50

0.50

3.00

Real Short Term Interest Rates

1985-2002

1997-2002

Assumed Future

UK

4.70

3.50

2.80

Euro

3.22

2.50

2.80

US

3.82

2.80

2.80

TABLE 2:

RANGES OF 'FUNDAMENTAL' PE RATIOS

Average of four PE's

Current PE

Current less Average, %

UK

Growth Rate

0.023

Interest Rate

0.028

Risk Premium

Profit Rate

0.025

0.035

0.070

22

17

21

19

-10%

0.100

25

19

EURO

Growth Rate

0.018

Interest Rate

0.028

Risk Premium

Profit Rate

0.025

0.035

0.070

22

17

20

17

-15%

0.100

23

18

US

Growth Rate

0.030

Interest Rate

0.028

Risk Premium

Profit Rate

0.025

0.035

0.070

25

17

23

20

-15%%

0.100

30

21

.

 

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