Taylor Swift has rented out the 3 Arena for the next 4 nights – not to perform, but to sell her merchandise! 

Fans have been queuing up since dawn this morning, just to get their hands on a 45 quid t-shirt, such is the power of Swiftenomics. 

Dr. Emma Howard is an Economist and Lecturer at TU Dublin and has been studying this, and joins Seán to discuss.