Not sure what the plans of the other parties are but Fine Gael are planning on banning the below cost selling of alcohol, this is yet another protectionist approach to the market that only ends up with the consumer being penalised.
Page 24 of this document "Extra VAT yield from banning below cost selling of alcohol"
http://www.finegael2011.com/pdf/LessWasteLowerTaxesStrongerGrowth.pdf