Members of labor unions are able to use their------- to achieve better economic outcomes.

A. cooperative nature

 B. bargaining power

 C. secret ballot votes

 D. excess supply of labor From a competitive firms' point of view,

the key question regarding the higher wages paid to union workers is whether the higher wage level 

A. is matched by non-union producers. 

B. can be passed on to its customers. 

C. leads to workers with more experience. 

D. is matched with higher productivity.