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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | <?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE gretldata SYSTEM "gretldata.dtd">
<gretldata name="kmenta" frequency="1" startobs="1922" endobs="1941" type="time-series">
<description>Dataset used in Kmenta, Elements of Econometrics, 2e, 1986
to illustrate estimation of a system of equations.
The two endogenous variables -- per capita food consumption, Q,
and the relative price of food, P -- were artificially generated
by Kmenta. The other variables are taken from a study by Girschik
and Haavelmo (Econometrica, 1947)
</description>
<variables count="5">
<variable name="Q"
label="food consumption per capita (generated)"
/>
<variable name="P"
label="ratio of food price to cost-of-living index (generated)"
/>
<variable name="D"
label="disposable income in constant dollars"
/>
<variable name="F"
label="deflated prices paid to farmers, previous year"
/>
<variable name="A"
label="time trend"
/>
</variables>
<observations count="20" labels="false">
<obs>98.485 100.323 87.4 98.0 1 </obs>
<obs>99.187 104.264 97.6 99.1 2 </obs>
<obs>102.163 103.435 96.7 99.1 3 </obs>
<obs>101.504 104.506 98.2 98.1 4 </obs>
<obs>104.240 98.001 99.8 110.8 5 </obs>
<obs>103.243 99.456 100.5 108.2 6 </obs>
<obs>103.993 101.066 103.2 105.6 7 </obs>
<obs>99.900 104.763 107.8 109.8 8 </obs>
<obs>100.350 96.446 96.6 108.7 9 </obs>
<obs>102.820 91.228 88.9 100.6 10 </obs>
<obs>95.435 93.085 75.1 81.0 11 </obs>
<obs>92.424 98.801 76.9 68.6 12 </obs>
<obs>94.535 102.908 84.6 70.9 13 </obs>
<obs>98.757 98.756 90.6 81.4 14 </obs>
<obs>105.797 95.119 103.1 102.3 15 </obs>
<obs>100.225 98.451 105.1 105.0 16 </obs>
<obs>103.522 86.498 96.4 110.5 17 </obs>
<obs>99.929 104.016 104.4 92.5 18 </obs>
<obs>105.223 105.769 110.7 89.3 19 </obs>
<obs>106.232 113.490 127.1 93.0 20 </obs>
</observations>
</gretldata>
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