@article{98107,
      author       = "Arespa, Marta  and Xarxa de Referència en Economia
                      Aplicada (XREAP) ",
      title        = "<a
                      href="/search?f=title&p=Macroeconomics%20of%20extensive%20margins%20a%20simple%20model&sc=1&ln=en">Macroeconomics
                      of extensive margins : a simple model</a>",
      year         = "2011",
}