<prompt> Translate the following text to EnglishTano kati ya masomo hayo 26 ni masomo ya tathmini ya hali ya hewa CV ambayo huomba moja kwa moja habari za WTP kutoka kwa masomo; mengine ni masomo ya hatari ya mshahara, ambayo hutegemea makadirio ya WTP kwa makadirio ya fidia ya ziada inayohitajika katika soko la kazi kwa kazi hatari, kudhibiti kwa kazi nyingine na sifa za mfanyakazi kama elimu na uzoefu.  <response>: Five of the 26 studies are contingent valuation CV studies, which directly solicit WTP information from subjects; the rest are wage-risk studies, which base WTP estimates on estimates of the additional compensation demanded in the labor market for riskier jobs, controlling for other job and employee characteristics such as education and experience. 