From Tim Cook to Howard Schultz: Why CEOs Engage Firms in Social Activism Maks-Solomon, Cory. 2019. “From Tim Cook to Howard Schultz: Why CEOs Engage Firms in Social Activism.” (Job market paper) Last updated September 15, 2019. Corporate political activity (CPA) on social issues–including Supreme Court amicus briefs, lobbying Congress, and financial contributions to interest groups–has become increasingly common among the S&P 500 over the past decade. CPA on social issues is almost always supporting the liberal side of an issue.