【单选题】Economist Robert Barro attributes the increase in the duration of unemployment to ______, while economist Paul Krugman attributes the increased duration to _____.
A.
increased immigration of low-wage workers; tax cuts given to high-wage workers
【简答题】(c) Without changing the advice you have given in (b), or varying the terms of Luke’s will, explain how Mabel could further reduce her ual inheritance tax liability and quantify the tax saving th...