PEICES OF FAEM PRODUCT'S. 



15 



The average July 1 price of wheat before the war was 87.4 cents. 

 This year (1921) it was 112.2 cents, or 128 per cent of the average 

 before the war. 



Fig. 9.— Prices of cheese, Civil War and World "War periods, and wholesale prices of all commodities during 

 the Civil War. Five-year average before the war is in all cases 100. 



Nearly all farm products have decided seasonal variation in price, 

 so that May prices must be compared with May and January with 

 January. This method is followed in all cases (Table XVIII, pp. 47 



to 55)." 



Fig. 10.— Prices of eggs, Civil War and World War periods, and wholesale prices of all commodities during 

 the Civil War. Five-year average before the war is in all cases 100. At each war period eggs were rel- 

 atively cheap for several years. After the Civil War a reaction to relatively high prices occurred. 



The weighted index number for 31 farm products was obtained 

 by multiplying the price index by the approximate percentage that 

 each product represents of the total farm sales. For example, 

 cotton is given a weight of 16.9 and buckwheat 0.2. The un- 



