Why are Diageo raising prices of a pint of Guinness?

This week saw Diageo announce another 20 cent price rise for a pint of Guinness the 5th price rise in 3 years from the drinks giant.  In contrast the Changing Times brewery which is owned by some of the biggest publicans in Ireland including McSorley's and Doheny’s said there was no need for raising prices.Joe was joined on the show to discuss further by Pat Rigney the boss of Drumshanbo gin and one of the co-founder of the Changing Times brewery.