The result of Brexit on Irish exports will be considerable if a hard border is imposed by the EU
http://www.independent.ie/business/brexit/majority-of-exporters-travel-through-britain-to-ship-goods-overseas-35517444.html

http://www.politico.eu/article/cargo-food-production-producers-brexit-burns-irelands-british-bridge-to-eu-markets/

http://www.budget.gov.ie/Budgets/2017/Documents/An_Exposure_Analysis_of_Sectors_of_the_Irish_Economy%20_final.pdf