;Countries;"Im, Pesaran, and Shin (2003)";"Maddala and Wu (1999)" "Full sample";;; "(yit – ¯yt) ∀i";84;0.105;195.050 ;;; Districts;;; "(yit – ¯yt) ∀i ∈ Central Federal District";19;4.075;15.456 "(yit – ¯yt) ∀i ∈ Northwestern Federal District";11;–0.049;21.417 "(yit – ¯yt) ∀i ∈ Southern Federal District";6;0.145;9.938 "(yit – ¯yt) ∀i ∈ North-Caucasus Federal District";6;–1.274;18.264 "(yit – ¯yt) ∀i ∈ Volga Federal District";15;0.032;29.083 "(yit – ¯yt) ∀i ∈ Ural Federal District";5;–0.536;16.871 "(yit – ¯yt) ∀i ∈ Siberian Federal District";12;0.813;23.932 "(yit – ¯yt) ∀i ∈ Far-Eastern Federal District";10;–2.863*;43.252*