By Brandon Matthews
About a year ago, I asked an analyst why he felt Sirius XM Radio (SIRI) did not advertise more aggressively. His understanding was that the company had made the decision based on market research, that indicated that the return on ad spending did not justify an aggressive marketing campaign at the time. Typically, he said, most companies look to generate 2 dollars of revenue for every ad dollar spent. As we look back at the economy over the past 12-18 months, we can see how...