Unit 1: Allocative efficiency on the high street; the demise of Jessops and Blockbusters

All stores will close

http://news.sky.com/story/1036884/jessops-close-all-stores-1370-jobs-to-go Sky
http://www.bbc.co.uk/news/business-20964648# BBC Jessops
http://www.bbc.co.uk/news/business-21046548# BBC Blockbusters

a) How does the closure of Jessops/Blockbusters show allocative effficiency on the high street?