Pump up your marketing spend in a recession, some experts argue. Slash expenses, including marketing, say others — after all, there’s less business to be had. But neither approach gets it right. The best strategy is to cut your marketing spend in some areas - but increase it in others. Learn the smart way to decide where to place your precious marketing dollars from Knowledge@Wharton, the Wharton School’s online business journal, in this conversation with Wharton marketing professor Eric Bradlow.