Media type: E-Article Title: What is new about the PPP theory in the Nordic countries? : evidence from panel unit root tests with sharp breaks and gradual shifts Contributor: Dinç, Mehmet [Author]; Gömleksiz, Mustafa [Author]; Dinç, Özlem Gül [Author] Published: 2022 Published in: Romanian journal of economic forecasting ; 25(2022), 2, Seite 165-186 Language: English Keywords: Purchasing power parity ; Nordic countries ; panel LM unit root test ; Fourier approximation ; Aufsatz in Zeitschrift Origination: Footnote: Access State: Open Access