@TechReport{economics.dp.2007-29,
 author = {Qin, Duo},
 title = {Uncover Latent PPP by Dynamic Factor Error Correction Model (DF-ECM) Approach: Evidence from five OECD Countries},
 type = {Economics Discussion Paper},
 institution = {Kiel Institute for the World Economy},
 year = {2007},
 number = {2007-29},
 url = {http://www.economics-ejournal.org/economics/discussionpapers/2007-29}
}