statsmodels.tsa.vector_ar.vecm.VECMResults.stderr_coint¶ VECMResults.stderr_coint¶ Standard errors of beta and deterministic terms inside the cointegration relation. Notes See p. 297 in [1]. Using the rule \[vec(B R) = (B' \otimes I) vec(R)\] for two matrices B and R which are compatible for multiplication. This is rule (3) on p. 662 in [1]. References [1] (1,2) Lütkepohl, H. 2005. New Introduction to Multiple Time Series Analysis. Springer.