130 



THE MODERN MILK PROBLEM 



farm is hard to secure at any price, for many farm hands 

 object to milking and will not hire out where they have 

 to do this kind of work. In the chart the value 100, as 



FIG. 17. RELATIVE RETAIL PRICES, 1890-1915 

 Milk and Round Steak 



before, represents the ten-year average of prices from 

 1890 to 1899, inclusive. This chart is taken from a 

 paper by Mr. Kelly on factors influencing the cost of 

 milk to the consumer. 7 Mr. Kelly describes the manner 

 of constructing the dotted curve and draws conclusion 

 from it as follows (italics inserted) : 



