A firm's decision to employ agency workers may be perceived as a replacement of directly employed workers or as way to curb union power, which trade unions would oppose. Alternatively, trade unions may encourage the (temporary) employment of agency workers in a firm, if they manage to bargain...

"Work is widely thought to have become more precarious. Many people feel that unions represent the interests of protected workers in good jobs at the expense of workers with insecure employment, low pay, and less generous benefits. Reconstructing Solidarity: Labour Unions, Precarious Work, and...