TechChange {AER} | R Documentation

## Technological Change Data

### Description

US time series data, 1909–1949.

### Usage

    data("TechChange")

### Format

An annual multiple time series from 1909 to 1949 with 3 variables.

output

  Output.

clr

  Capital/labor ratio.

technology

  Index of technology.

### Source

Online complements to Greene (2003), Table F7.2.

http://pages.stern.nyu.edu/~wgreene/Text/tables/tablelist5.htm

### References

Greene, W.H. (2003). Econometric Analysis, 5th edition. Upper Saddle River, NJ: Prentice Hall.

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))

[Package AER version 1.2-6 Index]