The market has plenty of research outlining how strong consumer awareness and sentiment is toward corporate social responsibility. The golden question for brands, however, is whether doing good actually helps their bottom lines. The answer, per recent Nielsen research, is that it does. In fact, as Amy Fenton, Nielsen's global leader of public development and sustainability, points out, being socially responsible is paying off—and it’s also no longer an option for brands. It’s actually becoming the cost of entry.