English to Italian Bus/Financial Marketing

"Paid media is a great way to get an immediate return on investment. It helps the company to generate leads quickly, and it directs the audience back to the owned media where the potential customers can be nurtured. It is also relatively easy to measure the effectiveness of the paid media, by using analytics. The limitations to all this are that the media budget decides how fast ‘scale ’can be established, and conversion rates on paid media are generally lower than owned and earned media."

Avevo pensato a qualcosa tipo "dimensioni" o "misura", però né l'una né l'altra mi convincono troppo.