Searching and Inclusion & Exclusion

Round 1

Search keywords and category

Category: Board Composition and AI/Digital Transformation

Keywords: - Board: “board of directors,” “corporate governance,” “board composition,” “board expertise” - AI: “AI adoption,” “artificial intelligence adoption,” “digital transformation,” “generative AI,” “GenAI,” “ChatGPT”

Keywords combination

("board of directors" OR "corporate governance" OR "board composition")
AND
("AI adoption" OR "digital transformation" OR "generative AI" OR "ChatGPT")

Databases: Web of Science, Scopus, SSRN Expected results: 200-400 articles Inclusion: Empirical studies on board-level factors affecting technology/AI adoption Exclusion: Non-board-level analysis, purely technical AI papers, conference proceedings without peer review

Round 2

Search keywords and category

Category: Knowledge Obsolescence and Human Capital Depreciation

Keywords: - Knowledge: “knowledge obsolescence,” “human capital depreciation,” “knowledge depreciation,” “education vintage,” “skill obsolescence” - Domain: “technology,” “STEM,” “engineering,” “technical expertise,” “high-tech”

Keywords combination

("knowledge obsolescence" OR "human capital depreciation" OR "education vintage"
 OR "skill obsolescence" OR "knowledge decay")
AND
("technology" OR "STEM" OR "engineering" OR "technical" OR "high-tech")

Databases: Web of Science, Scopus, NBER Working Papers Expected results: 100-200 articles Inclusion: Studies measuring temporal dimension of knowledge/skill value Exclusion: General education returns without temporal analysis, non-technical domains

Round 3

Search keywords and category

Category: Board Technical Expertise and Innovation

Keywords: - Board: “tech committee,” “technology committee,” “director expertise,” “board human capital,” “STEM directors” - Innovation: “innovation,” “technology adoption,” “R&D,” “technological change,” “disruptive technology”

Keywords combination

("tech committee" OR "technology committee" OR "director expertise"
 OR "board human capital" OR "STEM director*")
AND
("innovation" OR "technology adoption" OR "R&D" OR "disruptive technology")

Databases: Web of Science, Scopus, SSRN Expected results: 150-300 articles Inclusion: Empirical studies linking board-level technical expertise to firm innovation outcomes Exclusion: CEO-only studies (unless board-level analysis included), theoretical-only papers

Additional Keywords (during writing)

("cognitive faultlines" OR "age diversity" OR "generational diversity")
AND
("top management team" OR "board" OR "executive" OR "TMT")

PRISMA

PRISMA flow diagram to be completed after systematic search

Stage	Round 1	Round 2	Round 3	Total
Identified
Screened (title/abstract)
Full-text assessed
Included
Excluded (with reasons)

Exclusion reasons to track: 1. Not board-level analysis 2. No temporal/vintage dimension 3. No empirical component 4. Duplicate across databases 5. Not in English 6. Conference proceedings only (no journal version)