Human Ecology

Author: Luis Eduardo Guarnizo. Citizenship has existed for nearly three millennia. Throughout its long history, it has been the main institution regulating membership in political communities and has provided the philosophical rationale and quotidian structure for the sociopolitical organization of societies and legitimate systems of governance.

Authors: Luis Eduardo Guarnizo, Ali R Chaudhary, Ninna Nyberg Sørensen. International migrants’ cross-border political activities challenge singular notions of national citizenship and political belonging. This study recognizes the multi-directionality of migration, and tests the applicability of existing theoretical approaches across two different origins and receiving contexts.

Author: Luis Eduardo Guarnizo. The articles represent the fruit of a long-term project known as the Comparative Immigration Organizations Project (CIOP), which was launched by the Center for Migration and Development at Princeton University in the early 2000s.

Authors: Alejandro Portes, Luis Eduardo Guarnizo & Patricia Landolt. The authors comment on a thoughtful and provocative commentary on their 1999 article on immigrant transnationalism. They recall where things were back in the 1990s and what their article attempted to accomplish then.

Authors: M. Anne Visser and Luis E. Guarnizo. In this introduction, they highlight some of the broader questions and implications raised by the multidisciplinary work of their contributors that challenge this immigration-informality hypothesis.

​​​​​​​Authors: Luis Eduardo Guarnizo and Guadalupe Rodriguez. This paper examines the local demand for, and the level of informality of, domestic help in the Sacramento metropolitan area of California.

Authors: Luis E. Guarnizo, and Ali R. Chaudhary. This study examines how ‘contexts of reception’ in two migrant cities shape the organisational infrastructure for Pakistani immigrant communities in Toronto and New York City (NYC).

Authors: M. Anne Visser and Edwin Melendez. This analysis highlights the importance of ethnic-specific studies and the need for research on factors that may influence Puerto Rican workers’ mobility in and out of low-wage jobs.

Authors: Luis E. Guarnizo, and Ali R. Chaudhary. This paper seeks to investigate the determinants of transnational political engagement among contemporary Latin American migrants in Spain and Italy.

Authors: M. Anne Visser and Edwin Melendez. This study provides an analysis of the occupational and educational selectivity of Puerto Rican migration to and from the United States using consolidated data from the American Community Survey for 2006 to 2008.