Solow, R. (1957). Technical Change and the Aggregate Production Function.
Review of Economics and Statistics, 39, 312–320.
See Also
Greene2003
Examples
data("TechChange")
## Greene (2003)
## Exercise 7.1
fm1 <- lm(I(output/technology) ~ log(clr), data = TechChange)
fm2 <- lm(I(output/technology) ~ I(1/clr), data = TechChange)
fm3 <- lm(log(output/technology) ~ log(clr), data = TechChange)
fm4 <- lm(log(output/technology) ~ I(1/clr), data = TechChange)
## Exercise 7.2 (a) and (c)
plot(I(output/technology) ~ clr, data = TechChange)
library("strucchange")
sctest(I(output/technology) ~ log(clr), data = TechChange, type = "Chow", point = c(1942, 1))
Results
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> library(AER)
Loading required package: car
Loading required package: lmtest
Loading required package: zoo
Attaching package: 'zoo'
The following objects are masked from 'package:base':
as.Date, as.Date.numeric
Loading required package: sandwich
Loading required package: survival
> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/AER/TechChange.Rd_%03d_medium.png", width=480, height=480)
> ### Name: TechChange
> ### Title: Technological Change Data
> ### Aliases: TechChange
> ### Keywords: datasets
>
> ### ** Examples
>
> data("TechChange")
>
> ## Greene (2003)
> ## Exercise 7.1
> fm1 <- lm(I(output/technology) ~ log(clr), data = TechChange)
> fm2 <- lm(I(output/technology) ~ I(1/clr), data = TechChange)
> fm3 <- lm(log(output/technology) ~ log(clr), data = TechChange)
> fm4 <- lm(log(output/technology) ~ I(1/clr), data = TechChange)
>
> ## Exercise 7.2 (a) and (c)
> plot(I(output/technology) ~ clr, data = TechChange)
>
> library("strucchange")
> sctest(I(output/technology) ~ log(clr), data = TechChange, type = "Chow", point = c(1942, 1))
Chow test
data: I(output/technology) ~ log(clr)
F = 1208.3, p-value < 2.2e-16
>
>
>
>
>
> dev.off()
null device
1
>