To be competitive, recommended that American firms adopt a new management style that was a hybrid of the approaches used by Japanese firms and those used by American firms called .

The correct answer is letter "C": William Ouchi, Theory Z.

Explanation:

American professor William Ouchi (born in 1943) proposed the "Theory Z", first described in his book "Theory Z: How American Management Can Meet the Japanese Challenge" which is an approach that explains how firms should develop a strong company philosophy and culture and consensus in decisions.  

Theory Z aims to employee development, as well, by concerning about their well-being, making them generalists instead of specialists, promoting individual responsibility, and monitoring them informally but with formal measures.

answercombination of ability and experience of the partners;

the correct answer is:     [c]:     " cyclical unemployment " .