New UCAS data show another increase for English students studying at Scottish Higher Education Institutions. But since 2012, Scottish HEIs can charge English students as much as £9k per year = £36k for a 4 year degree, versus max £27k in England. Strange that English participation in Scotland HEIs keeps rising!
Economics of HE 
Paul Wakeling responded with these related research papers
http://onlinelibrary.wiley.com/doi/10.1080/01411926.2012.658022/abstract
http://onlinelibrary.wiley.com/doi/10.1111/hequ.12009/abstract