x8 Firm Size (0=sm, 1=lg)
0 = SMALL
1 = LARGE

x11 (0=Specification Buying 1=Total Value Analysis)
0 = Specification Buying
1 = Total Value Analysis

x12 Structure of Procurement (0=decentralized, 1=centralized)
0 = DECENTRALIZED
1 = CENTRALIZED

x13 Type of Industry (SIC) (0=type 1, 1=type 2)
0 = FIRM TYPE ONE
1 = FIRM TYPE TWO

1 = New Task
2 = Modified Rebuy
3 = Straight Rebuy