FACTORS AFFECTING THE PRICE OF HOGS 
67 
Table 2. — Data used in the statistical analysis — Continued 
Exports 
Miscellaneous data 
Derived figures used 
in the study 
Prices of 
Bureau 
Pork products 
industrial 
of 
Year and 
month 
Index 
of 
phy- 
sical 
stocks 
Labor 
all -com- 
modity- 
index of 
United 
States 
popula- 
tion 
month- 
ly 
Corn- 
hog 
differ- 
ential 
Index 
of 
export 
Index 
of 
total 
Hams 
volume 
Devia- 
whole- 
de- 
de- 
Pork 
Bacon 
and 
shoul- 
Lard 
of ex- 
ports 
Actual 
tion 
from 
sale 
prices 
mand 
mand 
ders 
trend 
(1913 
base) 
Mil- 
10,000 
10,000 
10,000 
10,000 
lion 
Per 
Mil- 
1925 
pounds 
pounds 
pounds 
pounds 
pounds 
Dols. 
cent 
lions 
Dols. 
January 
751 
2,480 
3,137 
8,055 
158 
122.2 
+2.47 
160 
112. 91 
-4.14 
92 
97 
February. .. 
519 
2,020 
2,784 
6,148 
127 
121.1 
+2.39 
161 
113. 03 
-3.47 
89 
96 
March 
532 
2.268 
3,117 
6,425 
137 
120.9 
+2.38 
161 
113. 14 
+.04 
108 
110 
April 
378 
1,296 
2,045 
4,602 
92 
119.8 
+2.29 
156 
113. 26 
+.13 
95 
101 
May 
319 
1,255 
2,092 
7,241 
118 
126.1 
+2.76 
155 
113. 38 
-1.33 
91 
97 
June 
326 
1,388 
2,581 
6,119 
114 
128.8 
+2.97 
157 
113. 50 
-.42 
89 
94 
July 
286 
387 
1,416 
1,443 
2,132 
1,734 
5,164 
4,759 
99 
91 
136.6 
139.6 
+3.32 
+3.78 
160 
160 
113. 62 
113. 74 
+1.15 
+1.23 
August 
September.. 
October. .. 
485 
1 766 
1, 524 
6,241 
109 
144. 
+4. 10 
160 
113. 85 
+2.54 
404 
1,541 
1, 529 
4,657 
89 
149.9 
+4.54 
158 
113. 97 
+2.10 
November.. 
381 
1,466 
1,703 
4,092 
84 
153.9 
+4.84 
158 
114. 09 
+1.66 
430 
1,819 
2,209 
7,067 
126 
154.2 
+4.86 
156 
114. 21 
+1.50 
LITERATURE CITED 
(1) Benner, S 
1876. benner's prophecies of future UPS and downs in prices. 
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(2) [Chicago] 
Board of Trade. 
1897-1925. annual reports of the trade and commerce of Chicago 
for the years [1896-1924]. Nos. 39-67, illus. Chicago. 
(3) Day, E. E 
1921. current statistics. Rev. Econ. Statis. Prelim, vol. 3: 384-402. 
(4) 
(5) 
(6) 
(7) 
(8) 
(9) 
(10) 
(li) 
(12) 
1922. statistical record: 1921. monthly data. Rev. Econ. Statis. 
Prelim, vol. 4 (sup. 1): 91-141. 
Ezekiel, M. 
1924. A method of handling curvilinear correlation for any 
number of variables. Jour. Amer. Statis. Assoc, (n. s. no. 
148) 19: 431-453, illus. 
1925. the assumptions implied in thr multiple regression equa- 
tion. Jour. Amer. Statis. Assoc, (n. s. no. 151) 20: 405-408. 
1926. FORECASTING THE PRICE OF HOGS, BY C. F. SARLE. (Review) Jour. 
Amer. Statis. Assoc, (n. s. no. 153) 21: 99-101. 
and Haas, G. C. 
1926. what makes the price of hogs? U. S. Dept. Agr. Farmers' 
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Harvard Economic Service. 
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