Cengage Advantage Books: Introduction to Business Law 4th Edition by Timothy Koch, Jeffrey Beatty, Jeffrey Beatty, Susan Samuelson, Susan Samuelson

Exercise 5

The CBA at Grey Corp. has expired, as has the CBA at Blue Corp. At Grey, union and management have bargained a new CBA to impasse. Suddenly, Grey locks out all union workers. The next day, during a bargaining session at Blue, management announces that it will not discuss pay increases.
(a) Grey has committed a ULP, but Blue has not.
(b) Blue has committed a ULP, but Grey has not.
(c) Both Blue and Grey have committed ULPs.
(d) Neither company has committed a ULP.
(e) Grey and Blue have violated labor law, but not by committing ULPs.