Messrs. Eriksson and Rooth conducted their experiment in Sweden, but they argue their results likely apply to the U.S. as well, which has a relatively similar job market in many respects. But there’s some evidence their conclusions may be optimistic.Northeastern University graduate student Rand Ghayad conducted a similar experiment in the U.S. last year. His research, which hasn’t yet been published, found that employers showed “a strong distaste for applicants with long spells of non-employment” — even when they had better experience than applicants who had been unemployed for less time.