Abstract
In this study, we examine the relationship between past firm performance and the likelihood of co-CEO adoption. Using Korean data for the period 2003 to 2018, we find that poorly performing firms are more likely to appoint multiple CEOs and adopt shared leadership. This provides evidence that owners add CEOs to the firm in order to penalize the poor performance of the incumbent sole CEO. In addition, a comparison of firms that replace an existing sole CEO with another versus those that newly adopt a co-CEO structure shows that firms exhibiting extremely bad performance are more likely to choose the former option. Furthermore, we divide the sample by type of co-CEO structure and find that poor performance by a sole CEO is more likely to be a cause of the type that indicates a dilution of authority for the existing sole CEO.
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Notes
“Can two CEOs successfully run a business together?” Market Watch, Aug. 12, 2018. See https://www.marketwatch.com/story/can-two-ceos-successfully-run-a-business-together-2018-08-12/print.
For instance, Martha Stewart Living Omnimedia appointed two co-CEOs in 2009. However, the co-CEO structure lasted less than a year, reportedly owing to top management disagreements. See http://views.washingtonpost.com/leadership/post_leadership/2010/10/news-has-been-swirling-for.html.
Following the Korean Exchange Market Disclosure Regulation, all listed companies are required to disclose detailed information about changes to their CEO(s), including the date of CEO turnover, the former CEO’s name, and the new CEO’s name.
Co-CEO structures are not unique to Korea. They are also common in Germany and other European countries where collective management is a tradition, as well as in U.S. family firms (O’Toole et al., 2002).
Choi et al. (2018) provide evidence of co-CEOs acting as mutual monitors, thus reducing the agency problems related to a dominant CEO.
According to Korean Commercial Acts 207 (“Representation of company”) and 208 (“Joint Representation”), Korean firms can choose their own co-CEO structure.
In classifying the types of co-CEOs using corporate disclosures or news media, we were unable to identify the types for 229 observations (or 207 firms). For concrete classification, we searched for the copy of corporate registration in the “Supreme Court of Korea” homepage for each of the unclassified observations. We classify as Type 2 (COCEO_TYPE1 = 0) if a firm’s corporate registry states CEOs as “joint CEOs” (i.e., “gongdong CEOs” in Korean), and as Type 1 (COCEO_TYPE1 = 1) if a firm provides no description on CEO type.
“Why Major Companies Like Oracle, Whole Foods, And Chipotle Have 2 CEOs,” Business Insider, Sep. 19, 2014. See https://www.businessinsider.com/why-major-companies-have-2-ceos-2014-9.
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Yoo, S.W., Lee, G., Shin, J.E. et al. Firm performance and the adoption of a co-CEO structure: Evidence from Korea. Asia Pac J Manag 38, 1351–1368 (2021). https://doi.org/10.1007/s10490-020-09713-1
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DOI: https://doi.org/10.1007/s10490-020-09713-1