Some success stories in global trade include(s): .the doha round of trade talks sponsored by the world trade organization. b.cultural blending and variety never seen before. c.a regional trade block that includes the u. s.d. and a few central american nations.

Plastic and steel are substitutes in the production of body panels for certain automobiles. if the price of plastic increases, with other things remaining the same, we would expect: a) the demand curve for plastic to shift to the left. b) the price of steel to fall. c) the demand curve for steel to shift to the left d) nothing to happen to steel because it is only a substitute for plastic. e) the demand curve for steel to shift to the right