<prompt> Translate the following text to EnglishUchunguzi kadhaa unaonyesha kwamba uwekezaji katika teknolojia ya ufanisi wa nishati pia huelekea kuongeza uzalishaji wa jumla wa uchumi, haswa katika sekta ya viwanda.  <response>: A number of studies suggest that energy efficiency technology investments also tend to increase overall productivity of the economy, especially in the industrial sector. 