Advantages Of A Trade Union. The most important reason for employees to join union is to improve working conditions and a desire to influence the environment in which they are located (wooden, 1999). Labor unions promote higher wages.

Counterbalance monopsony power in many industries, firms have a degree of monopsony power. The trade union is an association, either of employees or employers or of independent workers. Lowest income groups are often unemployed or not employed in a union job.