The trade union bargains with the employer on behalf of union members and negotiates labor contracts. This may include the negotiation of wages, work rules, complaint procedures, rules governing hiring, firing and promotion of workers, benefits
Labor Unions sought shorter hours, a safe work place, and better wages.
General Alliance of Labour Unions in Suriname was created in 1951.
If you mean supply of labour, labour unions restrict or decrease the supply of labour
Liberian Federation of Labour Unions was created in 1980.
How dose labour unions can effect a Mixed economy
There are many labour unions, you will need to be specific about which one, where and what time frame.
Labour unions
General Federation of Labour Unions in the Kingdom of Egypt was created in 1938.
voluntary labour, creative, defiant in behaviour, organized as in unions.
Working people and their labour unions.
The groups are known as Labour Unions.
voluntary labour, creative, defiant in behaviour, organized as in unions.
The National Labour Relations Act