Borjas (1987, 1991 and 1994) developed the self-selection theory, applying Roy's model (1951) to migration studies. He establishes that the characteristics of migrants in terms of skills and abilities are driven by wage distribution differences between the host country and home. In this regard,...

Land managers’ preferences towards practice- and outcome-based payments for ecosystem services are analysed using a labelled choice experiment applied to a Mediterranean oak savannah (dehesa or montado) as a case study. Results indicate that land managers prefer outcome- to practice-based...