Hanck, Christoph2007-04-202007-04-202007-04-20http://hdl.handle.net/2003/2425810.17877/DE290R-8912enTestingCointegrationPurchasing power parity310Testing in nonstationary and dependent panels with applications to purchasing power paritydoctoral thesisurn:nbn:de:hbz:290-2003/24258-3