A. Barnacles
B. Butterflies
C. True friends
D. Strangers
A. one-level channel
B. Zero-level channel
C. Three-level channel
D. Two-level channel
A. lexicographic heuristics
B. eliminating heuristic
C. heuristics
D. conjunctive heuristic
A. One seller, many buyers
B. One buyer, many sellers
C. many sellers, many buyers
D. one buyer, one seller
A. exclusive center
B. distribution center
C. inbound center
D. outbound center
A. upper middles
B. working class
C. lower uppers
D. upper uppers
A. few
B. continuously growing
C. stable but begins declining
D. declining in number