"Evidence shows that unions provide wide-ranging benefits for workers and the overall economy. Not only are they associated with higher wages among members, they also provide workers with greater benefits and improved job satisfaction... Unions have been shown to contribute to the narrowing of gender and racial wage gaps. And economists have recognized that unions are important to increasing workers' labor market power, mitigating the effects of imperfect competition in labor markets, providing workers with a larger share of earnings, and reducing income inequality."