Firm Complexity and Board of Director Composition

20 Pages Posted: 13 Dec 2007

See all articles by Antonio Parbonetti

Antonio Parbonetti

University of Padua

Garen Markarian

HEC - University of Lausanne

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This paper examines the relationship between firm complexity and board of director composition. Utilizing the board typology of Baysinger and Zardkoohi (1986), we classify board members either as insiders, business experts, support specialists, or community influentials, and examine board composition in relation to firm internal and external complexity. Internal complexity refers to the sophistication of internal work processes (proxied by firm R&D expenditures, and the amount of invested capital), while external complexity relates to the external competitive structure (proxied by the number of business and geographic segments, and industrial leadership). Utilizing a random sample of 150 firms drawn from six industries over the 2003-2005 time period, and after classifying 4,408 directors to one of our board categories, multivariate results confirm conjectures that complexity is related to the specific capabilities that each board member brings to the firm. We find that externally complex firms substitute community influentials for insiders. Additionally, internally complex firms have lower levels of community influentials, which are substituted by insiders and support specialists. This study adds to a small but growing literature that examines the economic determinants of board structure by providing a unique lens in examining board characteristics that goes beyond the traditional insider/independent classification.

Suggested Citation

Parbonetti, Antonio and Markarian, Garen, Firm Complexity and Board of Director Composition. Corporate Governance: An International Review, Vol. 15, Issue 6, pp. 1224-1243, November 2007, Available at SSRN: or

Antonio Parbonetti

University of Padua ( email )

Via del Santo 33
Padova, 35123
+39 049 8274261 (Phone)

Garen Markarian (Contact Author)

HEC - University of Lausanne ( email )

UNIL Dorigny
Lausanne, Lausanne 1015

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