Abstract
Despite abundant research on project management offices and project portfolio management offices (PPMOs), it is still unclear whether PPMOs contribute to business success. This study explores the role of employee voice behavior in the relationship between PPMOs and business success. The findings from 255 portfolios reveal that PPMO contributions and voice behavior positively relate to management quality, which subsequently relates to business success. Moreover, voice behavior enhances the relationships among PPMO contributions, management quality, and business success. These results have important implications for research on voice behavior in a multiproject context and for understanding PPMOs’ performance and social dynamics.
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