;"Sample: 2007– 2017"
HEA/EXT;"LOG (GDP)"
"HEA (–1)/EXT (–1)";0.326;–0.217
;(0.304);(2.005)
"LOG (GDP (–1))";–0.044;0.560
;(0.035);(0.234)
C;0.579;4.647
;(0.411);(2.714)
"LOG (URALS)";–0.006;0.051
;(0.006);(0.037)
"R
              2";0.536;0.622
F-statistic;2.308;3.292
Log-likelihood;40.160;21.280
"Akaike criterion";–7.232;–3.456
"Schwarz criterion";–7.111;–3.335
Log-likelihood;62.359
"Akaike information criterion";–10.872
"Schwarz information criterion";–10.630