MostscholarsworkingontheeconomydevelopmentinTibet,especiallythehusbandrymentionedthe"reluctanceslaughterandsell"phenomenonoffarmer(herdsman)andallagreedthatitisanimportantreasonforobstructingthecomeoutrateoflivestockinTibetandcausingundevelopedcommodityeconomyandgrasslandoverload.