Studies at the level of research groups show how scale may influence their performance, especially the output per individual. Such analyses provide insights into what ‘critical mass’ means for research groups, and how it relates to productivity.
"Two's company: how scale affects research groups,"
Research Trends: Vol. 1
, Article 5.
Available at: https://www.researchtrends.com/researchtrends/vol1/iss25/5