00875nam0-22002771i-450-990003219920403321000321992FED01000321992(Aleph)000321992FED0100032199220000920d--------km-y0itay50------baitaITTesting for Unit Roots in Heterogeneous PanelsKyung So Im, M. Hashem Pesaran and Yongcheol ShinDAE Working PapersAmalgamated SeriesDepartment of Applied Economics, University of Cambridge9526Im,Kyung SoPesaran,Mohammad Hashem<1946- >Shin,YongcheolITUNINARICAUNIMARCBK990003219920403321PaperSESSESTesting for Unit Roots in Heterogeneous Panels455230UNINAING01