Mobilizing for Human Rights: International Law in Domestic Politics (review)

This is one of the most important books in decades on the effectiveness of international law in affecting human rights practices. It is an outstanding example of testing theory using a combination of qualitative and quantitative analyses. For students and scholars who want to understand how and when international human rights law works this book is a must-read.

Simmons argues that international human rights law has made a positive contribution to the realization of human rights in much of the world. In support of this argument, she shows that governments that ratify human rights treaties improve their treaty-relevant human rights practices more than governments that do not. Although governments sometimes ratify human rights treaties insincerely, gambling that they will experience little pressure to comply with them, Simmons contends that this is not typically the case. Focusing on rights stakeholders within ratifying countries rather than external pressure from the United Nations or other states, she demonstrates that the ratification of treaties leads to better rights practices on average. By several measures, civil and political rights, women’s rights, a right not to be tortured in government detention, and children’s rights improve, especially in the very large heterogeneous set of countries that are neither stable autocracies nor stable democracies.

Simmons argues that the international community should give more practical and rhetorical support to international human rights law as a supplement to broader efforts to address conflict, development, and democratization. She devotes about 40 percent of the book to developing theoretical arguments about why governments commit themselves to be bound by international law and then subjecting those arguments to empirical tests.

The author uses most of the rest of the book to develop arguments about why states comply with their treaty commitments and subjecting those arguments to empirical tests. Her main argument about compliance is that treaties alter politics and human rights practices in certain settings by providing opportunities for social mobilization. There are four findings chapters—each focused on estimating the effects of joining a different human rights treaty. The last chapter is a well written summary of her findings, how they relate to her theories of commitment and compliance, and the implications of her findings for policy and practice.

The two appendices to the book will be especially useful to those who wish to replicate her study or conduct similar studies. Appendix one provides a detailed account of the measures used in the quantitative analyses. Appendix two shows the countries included in her study broken down by the degree of the rule of law and by regime type—two of the most important characteristics explaining treaty commitment and compliance.

Simmons acknowledges that her arguments about the effectiveness of human rights treaty commitments run counter to most previous research. She notes that most previous relevant research in the fields of international law and human rights has relied on evidence from intensive case studies about treaty participation effects in individual countries. Her research, in contrast, looks for evidence of relationships between commitments to human rights treaties and human rights performance over a broad span of time and space. The data shows patterns that were not easily demonstrated in the previous quantitative or case study work conducted by other scholars.

Simmons complements her quantitative evidence with detailed discussions of how treaties have influenced politics and practices in particular countries. The qualitative work in the book is useful in exploring the causal mechanisms by which government commitments to treaties are translated into subsequent better human rights practices.

Her argument is that commitments to human rights treaties do not affect human rights practices by all the governments that make such commitments. They matter most where they have “domestic political and legal traction.”¹ Her book is focused on identifying the conditions under which such traction is possible. Thus, even her quantitative research is more nuanced than most previous quantitative studies on this topic, which have generally reached more pessimistic conclusions about the effectiveness of international human rights...