National statistics about almost everything in Iceland, largely available in english as well.
English section of website: http://www.statice.is
Household expenditure survey:
Risk of poverty:
The impact of Financial Crises on the CPI. Paper by Rósmundur Guðnason and Guðrún R. Jónsdóttir presented at the 11th meeting of the International Working Group on Price Indices (The Ottawa Group), Neuchâtel, Switzerland, 27-29 May 2009. Presentation (PPT).