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Apostolos Gkatzionis | ORCID 0000-0003-4942-0025 | ResearchHub

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Apostolos Gkatzionis

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Apostolos Gkatzionis

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Public works are drawn from admitted ResearchHub scholarly records.

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1 of 1 listed works

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Selection without Collider Stratification can Bias Instrumental Variable Analyses in the Presence of Causal Effect Heterogeneity

2026 · posted-content

0 citations · 0 reads

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Publications: 1
Citations: 0
H-index: 0
Recent H-index: 0
Reads: 0

H-index follows the standard Hirsch definition: the largest h for which h publications each have at least h citations. Recent H-index applies the same calculation to the five most recent complete calendar years (2021-2025); the current year is excluded while incomplete.

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ORCID: 0000-0003-4942-0025

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