-23-


Appendix Table 1.--Variable definitions.


Dependent variables

 FCS Fed cattle marketed, 23 states (1,000 head)

 NFCS Non-fed cattle slaughter, equal to difference of total
 commercial cattle slaughter and FCS (1,000 head)

 PORK Total commercial pork production (millions of pounds)

 SPR Choice steer price, Omaha (dollars per cwt)

Predetermined variables

 Q1-Q4 Quarterly dummy variables

 ESPRt-i = .2SPRt-2 + .5SPRt-3 + .3SPRt-4

 .SFCt. = .2SFCt-2 + .5SFCt.3 + .3SFCt4, where SFC is a steer

 feed cost index

 Place Cattle placed on feed quarterly, 23 states (1,000 head)

 Farr Sows farrowing, 14 states (1,000 head)

 ZHPRti = .3HPRt-3 + .7HPRt-4, where HPR is the 7 market price of

 barrows and gilts (dollars per cwt)

 Time Linear trend, 1971-1 has value 1