Reasons for the increase in tertiary work : 1) expansion and growth of the world economy is leading to more jobs in telecommunications, education, transport, retail. 2) the Irish government are providing grants to multinational companies e.g. Google which attracts them to Ireland and increase tertiary employment opportunities. 3) more disposable income is enabling people to spend more money on goods and services. Increases the employment opportunities within the tertiary sector. 4) Increased tourism within Ireland. This raises employment in the tertiary sector, as tour guides , hotel managers, etc are needed.