Professor Parker has written, researched and consulted widely on how and why business comply with legal, social and environmental responsibilities, what difference regulatory enforcement makes and how businesses can work with lawyers and compliance professionals to build internal corporate social responsibility systems that work. Her work has been published in academic journals and used in policy making and enforcement strategy. Her books include The Open Corporation (2002) on corporate social responsibility, business compliance systems and democratic accountability of companies; and Explaining Compliance(2011, with Vibeke Nielsen), an edited collection of the leading practice and policy oriented empirical research on how and why businesses do and do not comply with the law.