Analysis of Expenditure on Education from Macro Perspective

"(a) How might there be an increase in total spending on a child’s education in response to providing a fixed level of education? (b) How might there be a ‘crowd-out’ effect from government intervention in the form of providing a fixed level of education? (c) If increased spending leads to a higher level of quality in education, why might there be no change in the quality of education as result from the government provision of a fixed amount of education? "