英语翻译5.Use the PSID1982 dataand consider the following two nonnested models(compare with Baltagi2002,p.230):M1 :log(wage) = _0 + _1education + _2experience+ _3experience2+_4weeks + _5married + _6gender+_7ethnicity + _8union + "M2 :log(wage) =

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英语翻译5.UsethePSID1982dataandconsiderthefollowingtwononnestedmodels(comparewithBaltagi2002,p.230):M1:l

英语翻译5.Use the PSID1982 dataand consider the following two nonnested models(compare with Baltagi2002,p.230):M1 :log(wage) = _0 + _1education + _2experience+ _3experience2+_4weeks + _5married + _6gender+_7ethnicity + _8union + "M2 :log(wage) =
5.Use the PSID1982 data and consider the following two no-nestedmodels (compare with Baltagi2002,p.230):
　　——用PSID1982 数据并把下列两种不嵌套的模式考虑进去（与Baltagi2002 进行比较,230页）
　　M1:log(wage) = _0 + _1education + _2experience + _3experience2 +_4weeks+ _5married + _6gender +_7ethnicity + _8union + "
　　——M1：记录（工资）= o + 1教育程度 + 2 经历 + 3 经历（2） + 4 周数 + 5 婚姻状况 + 6 性别 + 7 民族 + 8融洽程度 +
　　M2:log(wage) = _0 + _1education + _2experience + _3experience2 +_4weeks+ _5occupation + _6south +_7smsa + _8industry + _
　　——M2：记录（工资）= o + 1教育程度 + 2 经历 + 3 经历（2） + 4 周数 + 5 职业 + 6 南方人 + 7 行政区 + 8从事的行业 +
　　(a) Compute the J tests for M1 vs.M2 and M2 vs.M1,respectively.
　　——(a) 分别计算出 M1 与 M2 对比和M2 与M1对比的J 测试
　　(b) Both M1 and M2 can be artificially nested within a larger model.Use an F test for M1 versus this augmented model.Repeat for M2 versus theaugmented model.What do you conclude?
　　——(b) M1 和 M2 二者可以在更大的模式内人为嵌套.用M1与这个增加的模式对比进行的F 测试.重复M2与该增加的模式对比.你会得出什么结论?
9.The function ivreg () from package AER will fit instrumentalvariable (IV) regressions.Using the US Consump1993 data taken from Bal-tag i (2002),estimate the simple Keynesian consumption function expenditure t = _0 +_1incomet + "t
　　——来自AER组的函数自变量回归（ivreg）与作为中介的变量（自变量）的回归一致.用美国蓄贮槽1993采自Baltag i 数据（2002）估算出简单凯恩斯消耗的应变量支出 t = 0 + 1 收入 + "t
　　(a) by OLS.
　　——(a) 通过联机系统
　　(b) by IV.The only available instrument is investment,given by theidentity expenditure + investment= income.
　　——(b) 通过自变量.如果由恒等支出+投资=收入给出,唯一的有效手段是投资.
　　(c) Compare both sets of estimates using a Hausman test,thusreplicating Baltag i (2002,Section 11.7).What do you conclude?
　　——(c) 以重复Baltag i（2002,11.7节）的方式,用豪斯曼测试对比两套估算,你会得出什么结论?

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