Labour unions are a common presence in Canada, with about 30% of Canadian workers being members of labour unions. However, unionization is significantly more common in some industries than it is in other industries. In class, we talked about various conditions that impact the bargaining power of labour unions in the process of wage negotiations. Using these conditions, list at least 2 types of occupations for which you believe that labour unions would be effective at raising the wages of workers in that occupation. Also, list at least 2 types of occupations for which you believe that labour unions would be ineffective at raising the wages of workers. Explain your reasons and describe why unions are likely to be effective or ineffective at raising the wages of workers in the occupations that you outline