Blog
Unit 1 Micro: Capital used to Build Cross Rail
Geoff Riley
11th January 2012
The tunnelling equipment involved in CrossRail - Europe’s biggest civil construction project - is immense in every way! This BBC news video of the earth cutting machinery is a brilliant visual to use when teaching economies of scale or introducing the concept of physical capital! The machinery is made in Germany naturally!
Geoff Riley
Geoff Riley FRSA has been teaching Economics for over thirty years. He has over twenty years experience as Head of Economics at leading schools. He writes extensively and is a contributor and presenter on CPD conferences in the UK and overseas.