Colin has been involved in agricultural economics research in China since 1990 and in particular research on ruminant livestock industries, integrated crop-livestock systems, grassland management, rural development, and food safety. He has conducted around one month’s fieldwork each year in China since 1990 in 16 provinces, autonomous regions and municipalities both in agricultural and pastoral areas and has been involved in research in Tibet since 2008. He has written has 10 books, 50 articles, 29 book chapters, 22 major reports and monographs, 31 conference papers and 18 discussion papers most of which relate to China.