You're building next year's investment case, and R&D and operations want a bigger share because leaders see them as more important. Before conceding, consider the evidence. Marketing capability has the strongest link to firm performance. Rivals can benchmark operations or read R&D patents, while marketing's customer knowledge and relationships are harder to copy.
Among marketing, research-and-development (R&D), and operations capabilities, marketing has the strongest link to firm performance.
Data chart
Average correlation between each capability and firm performance in published studies, on a scale from -1 to 1 where 0 means no link and 1 a perfect positive link; not a percentage.
Marketing capability's link to firm performance is the strongest of the three, though all three matter.
Averages of 786 correlations from 114 published studies through October 2007 (319 for marketing capability, 206 for R&D and 261 for operations), with a total underlying sample of 30,645.
Data chart
Average correlation between operations capability and two kinds of performance: efficiency (cost reduction, shorter lead times, faster time to market) and market (market share, profitability, sales). Correlation runs from -1 to 1; 0 means no link and 1 a perfect positive link.
Operations capability has a stronger link to efficiency performance than to market performance.
Averages from a separate split of the studies by kind of performance. The paper reports no efficiency average for marketing or R&D capability, so only operations is shown.
Key takeaway
Protect marketing capability because its link to firm performance is stronger than R&D's or operations'.
The studies cover firm and business-unit capabilities across industries and geographies in research published through October 2007. They measure links with performance, not gains from moving budgets. Test any budget shift with a pilot first, especially in turbulent markets or new-product settings the research did not directly test.
Source
Krasnikov, A., & Jayachandran, S. (2008). The relative impact of marketing, research-and-development, and operations capabilities on firm performance. Journal of Marketing, 72(4), 1–11. https://doi.org/10.1509/jmkg.72.4.001