"c           VAR 0130      03008 SHORTAG 3R 915-917               MD= 1E-37   "
"c           REF 0130         LOC 1131 WIDTH  9             DK  18 COL 62-70  "
"c                                                                            "
"c                                                                            "
"c              FREIGHT CAR SHORTAGE                                          "
"c              --------------------                                          "
"c                                                                            "
"c              NBER SERIES:  03008                                           "
"c              AREA COVERED:  U.S.                                           "
"c              UNITS:  NUMBER OF FREIGHT CARS                                "
"c              ANNUAL COVERAGE:  NONE                                        "
"c              QUARTERLY COVERAGE:  NONE                                     "
"c              MONTHLY COVERAGE:  01/1915-11/1917                            "
"c              SEASONAL ADJUSTMENT:  NONE                                    "
"c              SOURCE:  AMERICAN RAILWAY ASSOCIATION: "UNFILLED CAR          "
"c              REQUISITIONS", BULLETIN NO. SIX, AUGUST  17, 1917; QUARTERLY  "
"c              JOURNAL OF ECONOMICS, VOL. 33, P. 179.                        "
"c                                                                            "
"c              NOTES:  SERIES 03008 IS PRESENTED HERE AS TWO                 "
"c              VARIABLES--(1)--ORIGINAL DATA, 1907-1930  (2)--ORIGINAL DATA, "
"c              1915-1917.                                                    "
"c                   DATA INCLUDE ALL CAR REQUISITIONS INCLUDING              "
"c              DUPLICATION, THEREFORE"REQUISITIONS" IS POSSIBLY A BETTER     "
"c              TERM THAN"SHORTAGES".  FOR EXAMPLE A SHIPPER MIGHT REQUEST    "
"c              25 CARS FROM FOUR LINES, HOWEVER, ONLY NEEDING 25. THIS DATA  "
"c              WOULD SHOW A 100 CAR"SHORTAGE" IN THIS EXAMPLE.               "
"c                   THE RAILROADS INCLUDED IN THESE REPORTS ARE THE SAME     "
"c              THROUGHOUT, EXCEPT THAT THE ACTUAL NUMBER OF ROADS DECREASED  "
"c              DUE TO CONSOLIDATION FROM ABOUT 175 TO 118.  DATA THROUGHOUT  "
"c              ARE COMPARABLE.                                               "
"c                                                                            "
"c              CHECKED MANUALLY; NO CORRECTIONS NECESSARY.                   "
"c                                                                            "
"c                                                                            "