<prompt> Translate the following text to EnglishNi vigumu kufikiria jinsi ahadi kama hizo zinaweza kudumishwa, ambayo inaonyesha kwamba faini ni bora kuliko kupiga marufuku, hasa ikiwa zimeandikwa katika sheria badala ya kulazimishwa kwa msingi wa ad hoc.  <response>: Its hard to imagine how such commitments might be maintained, which suggests that fines are more effective than boycotts, especially if they are written into law rather than imposed on an ad hoc basis. 