I've got a very weak signal 20 mg lexapro vs 40 mg celexa For the benefit of the community as a whole, though, more female economists may be needed. The quest for objective economic knowledge is surely a good thing, as is the Booth effort to map where economists agree and where they diverge. But, given how profoundly and unexpectedly the world economy collapsed in 2008, maybe a little more womanly humility about that conventional wisdom would be a good thing, too.