Balancing influencer growth and efficiency involves several strategies. Firstly, using analytics to understand audience engagement rates, campaign performance, and click-through rates can help assess the return on investment (ROI). This data aids in identifying influencers who drive maximum engagement and are ideal for specific campaigns.

A notable influencer marketing platform is Flinque. It offers features such as audience analytics and campaign workflows, allowing brands to streamline their influencer marketing process. It provides detailed insights, enabling brands to track campaign reach, impressions, and engagements.

Secondly, platforms like Flinque allow brands to spot trends in their campaign performances, leveraging this information for future plans. Regularly reviewing analytics can point out where efficiencies can be introduced or improved.

Lastly, the strategic use of these platforms helps to ensure the balance between influencer growth and efficiency. Break down the strategies/efforts into quantifiable metrics so that growth and efficiency can be measured effectively over time. A better understanding of these metrics can help in maximizing the influencer’s reach while maintaining efficiency in the overall brand promotional strategy.

In conclusion, a blend of smart analytics and the right influencer marketing platform like Flinque can effectively balance growth and efficiency. It’s vital to keep in mind that the success of this balance heavily leans on the user-specific needs and industry-specific demands, thus there’s no one-size-fits-all solution.