It didn’t surprise us to read in the 2015 DMA Response Rate Report that the format and size of the mailpiece used in your direct marketing campaign can impact your results. In fact, we have a lot of evidence and analysis that says direct mail formats and size will impact your results.
For example, the DMA report says using an oversized envelope can result in a higher response rate when mailing to a prospect list rather than using a letter-sized envelope. It also notes that higher....