XYZ Asset Management has created a diversified portfolio consisting of large-cap equities, mid-cap equities, fixed income, and international equities. At the end of the year, the portfolio reported a return of 8%, while its benchmark, a composite index, returned 5%. Upon conducting an attribution analysis, the portfolio manager determines that outperformance is attributed primarily to selection effect in the large-cap equity allocation as well as an allocation effect favoring mid-cap equities.
Which of the following statements correctly highlights the implications of the attribution analysis performed by the portfolio manager?