@TechReport{economics.dp.2012-26,
 author = {Rodriguez, Jhon James Mora and Muro, Juan },
 title = {Consistent Estimation of Pseudo Panels in the Presence of Selection Bias},
 type = {Economics Discussion Paper},
 institution = {Kiel Institute for the World Economy},
 year = {2012},
 number = {2012-26},
 url = {http://www.economics-ejournal.org/economics/discussionpapers/2012-26}
}