Building a simplified model to assess the impact of population ageing, employment trends and immigration levels on pension sustainability in the EU-25 member states • Fernando Gil Alonso, Universitat Autònoma de Barcelona

Population aging and the macro economy: explorations in the use of immigration as an instrument of control • Frank T. Denton, McMaster University ; Byron G. Spencer, McMaster University

Population trends, employment and labour migration in the European Union • Serguey Ivanov, United Nations

A simulation model of the fiscal effects of immigration, fertility and employment • Robert E. Rowthorn, University of Cambridge

Young, skilled workers, their importance to the economy and how to get them: a study of OECD countries in the next century • Jeromey Temple, Australian National University