508  17

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    .

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    50-60- 22.   17.1   -
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   60- ,    ,   -
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  5,07%  8 .     ,  -
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 4,94%  8  .

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      . 
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  8  (

				
 (  	 		,   	,   
 )				
1	362	1960- 	1,36	0,70
3	861	1960- 	5,07	4,94
4	293	1950- 	5,14	4,12
5	157	1950- 	4,48	4,08

: Jeffrey F. Jaffe, Special Information and Insider Trading, Journal of Business, 47, no. 3 (July
1974), pp. 421, 426.  1974, The University of Chicago.

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