104 COST OF LIVING IN THE UNITED STATES 
very small. This is largely because both were estimates, 
based to a considerable extent on the same incomplete data. 
By the end of 1918 the trends of the two series, while still 
in the same direction, began to show a greater divergence. 
The Board’s number for November was 94.69, of the 
Bureaw’s number for December. In the next vears the 
Cuart 4a: InpEx Numpers or THE Cost oF Living, IN 
AvERAGE AMERICAN CoMMmUNITIES, 1913 To DECEMBER, 
1925, INCLUSIVE 
Based on figures in Table 1 and Table 5 
National Industrial Conference Board ww mer— = 
July 1914 = 100 
United States Bureau of Labor Statistics seseescesserese 
Year 1913 = 100 
—— et pee page 8 fA SIMA 
INDEX 
NUMBERS 
an0— 
20 
2h 
| ¥ 
ool. _ 
191% 
i timp mss mmr it erred retirement 
4 19 on v1 wr v3 24 05 
differences continued with slight variations, the numbers 
being now somewhat nearer, now somewhat further apart. 
The maximum difference occurred in May, 1921, when the 
Bureau’s number was 79, higher than the Board’s num- 
ber for March and 119, hicher than the Board’s number 
1 Monthly Labor Review, October, 1919, pp. 1-8; ibid., November, 1919, pp. 
192-193; 4bid., January, 1920, p. 97; National Industrial Conference Board, Re- 
search Report No. 17, 0p. cit., pp. 28-29,