“…While criticising its shortcomings, researchers have used the von Thünen model to develop new approaches (e.g. Hsu, 1997;Egan and Nield, 2000;Wang, 2001;Fafchamps and Shilpi, 2003;Veeck et al, 2003;Marin, 2005;Hanink and Cromley, 2005). Liu (1999; incorporated labour location into the von Thünen model and applied it to the spatial patterns of conservation and land quality.…”