<prompt> Translate the following text to EnglishKatika baadhi ya kesi, tunaweza kutegemea shughuli za soko zisizo za moja kwa moja, kama vile biashara ya wazi ya mishahara kwa hatari ya vifo vya kazi kati ya idadi ya watu wanaofanya kazi, ili kukadiria WTP.  <response>: In some cases, we can rely on indirect market transactions, such as the implicit tradeoff of wages for on-the-job mortality risk among the working population, to estimate WTP. 