<prompt> Translate the following text to EnglishUtafiti wa mwaka 1992 ulionyesha kwamba asilimia 8 ya uzalishaji wa Urusi wakati huo ulitengenezwa na viwanda ambavyo hata wachambuzi wa Urusi waliviita viwanda vinavyopunguza thamani na kwamba kuanguka kwa viwanda vinavyoondoa thamani kunaweza kusababisha uchumi wa Urusi kuimarika.  <response>: A 1992 study estimated that some 8 percent of Russias industrial output at the time was being produced by factories that even Russian analysts called value-subtractors . The study noted that the collapse of value-subtracting industries can precipitate an economic boon. 