《经济计量学精要习题集（第4版）》是西点军事学院古扎拉蒂教授为2010年新出版的经济计量学教材编写的配套习题答案。全书对《经济计量学精要》（第4版）教材中的300多道练习题进行了详细的解答，由浅入深、清晰明了。《经济计量学精要习题集（第4版）》主要面向经济管理类专业的本科生以及MBA，也适用于涉及经济计量分析，尤其是回归分析的其他社会科学和行为科学专业的学生。【1.4】为了减少对外国石油供给的依赖，政府正考虑对汽油收取联邦税。假设福特汽车公司雇用你分析税收增加对汽车需求量的影响，你将如何向公司提出建议？解答：事实上，联邦政府在1993年10月1日将汽油税上调了4美分。由于汽油和汽车是互补品，所以在其他条件不变的情况下，汽油税上调所导致的汽油价格上涨不仅会削减对汽油的需求，同时还会削减对汽车的需求。可以建议福特汽车公司生产更加节能的汽车来抵消征税对于汽车销量的影响。汽车的需求函数就可以显示出汽油税对汽车需求量的影响。【1.5】假设美国总统正考虑对进口钢材征收关税以保护国内钢铁行业的利益。作为总统经济顾问，你的建议是什么？你如何展开经济计量研究以分析征收关税的影响？解答：按照纯经济学的逻辑，应该反对征收关税，因为这样做不仅会提高进口钢材的价格，而且会提高以钢材为原料的其他产品的价格，尤其是汽车的价格。同时提高关税还会保护国内落后的生产力。可以在考察过去政府所征收的关税额度以及关税征收相关产品需求量的影响之后再建立计量经济学模型。第1章经济计量学的特征及研究范围第2章线性回归的基本思想：双变量模型第3章双变量模型：假设检验第4章多元回归：估计与假设检验第5章回归模型的函数形式第6章虚拟变量回归模型第7章模型选择：标准与检验第8章多重共线性：解释变量相关会有什么后果第9章异方差：如果误差方差不是常数会有什么结果第10章自相关：如果误差项相关会有什么结果第11章联立方程模型第12章单方程回归模型的几个专题附录A统计概念回顾：概率和概率分布附录B概率分布的特征附录C一些重要的概率分布附录D统计推断：估计与假设检验

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