Q. For Firm A, when four units of output are produced, total cost is $175 and average variable cost is $33.75. What would average fixed cost be if ten units were produced?
Q. Consider panel data model yit=(Xit)'B + Ai +uit
What characteristics do ‘within'(groups) and ‘between'(groups) estimators have for estimation of B? Distinguish between fixed and random effects formulation.