“…Some authors pointed to the absence of appropriate laws [32,48,53,59,61,71,74,88,92,99,[108][109][110][111]. In other circumstances, legislation was present but either inadequate or not enforced [36,43,45,46,51,53,62,67,74,109,112]. A lack of land/property rights was also a significant barrier in the USA, Asia and Africa [30,34,50,69,98].…”