Lipsey, Richard G.,  , 1928- <br/><br/>
An introduction to positive economics / 
Richard G. Lipsey, K. Alec Chrystal. 
 - 8th ed. 
 - London :  Oxford University Press,  1995. 
 - xxiv, 919 p. :  ill. (some col.) ;  28 cm. 
<br/><br/> Cover and spine title: Positive economics. 
<br/><br/><label>ISBN: </label>0192590200 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.