Panel Data - Memorial University of Newfoundland
Panel Data - Memorial University of Newfoundland
Panel Data - Memorial University of Newfoundland
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( , )<br />
INV = f V K<br />
it it it<br />
(15.1)<br />
The data consist <strong>of</strong> T = 20 years <strong>of</strong> data (1935-1954) for<br />
N = 10 large firms. Value <strong>of</strong> stock, proxy for expected pr<strong>of</strong>its<br />
Let y it = INV it and x 2it = V it and x 3it = K it<br />
Capital stock, proxy for desired permanent<br />
Capital stock<br />
y =β +β x +β x + e<br />
it 1it 2it 2it 3it 3it it<br />
(15.2)<br />
Notice the subindices! <br />
Principles <strong>of</strong> Econometrics, 3rd Edition<br />
Slide 15-4