Pearl, Judea; Paz, Azaria - In: Journal of Causal Inference 2 (2014) 1, pp. 75-93
Abstract The paper provides a simple test for deciding, from a given causal diagram, whether two sets of variables have the same bias-reducing potential under adjustment. The test requires that one of the following two conditions holds: either (1) both sets are admissible (i.e. satisfy the...