Multiple lC'hoice a) The marginal cost in the rm investment model is given by: A) d+p B) MPK C) $1(l-t_c) D) $1(1-t_int) b) In the savings model discussed in class, what is the price of rst period consumption in terms of foregone second period consumption when there is a tax on the return to savings? A) (1+r)(1-r) B) (1-01- C) tr D) (1+r(1-t)) c) Based on what we have done in class, what has happened to the Gini coefficient for wealth in recent decades? A) stayed roughly the same B) increased C} decreased D) we cannot calculate a Gilli for wealth d) Suppose we have an estate tax but do not observe anyone actually paying the estate tax. In this case, the DWL from the estate tax is: A) 0 B) Innite C) Negative D) Not enough information to determine