Parity {plm} | R Documentation

## Purchasing Power Parity and other parity relationships

### Description

A panel of 104 quarterly observations from 1973Q1 to 1998Q4

total number of observations : 1768

observation : country

country : OECD

### Usage

    data(Parity)

### Format

A data frame containing :

country

  country codes: a factor with 17 levels

time

  the quarter index, 1973Q1-1998Q4

ls

  log spot exchange rate vs. USD

lp

  log price level

is

  short term interest rate

il

  long term interest rate

ld

  log price differential vs. USA

uis

  U.S. short term interest rate

uil

  U.S. long term interest rate

### Source

Coakley, J., Fuertes, A. M., and Smith, R. (2006) “Unobserved heterogeneity in panel time series models”, Computational Statistics & Data Analysis, 50(9), 2361–2380.

### References

Coakley, J., Fuertes, A. M., and Smith, R. (2006) “Unobserved heterogeneity in panel time series models”, Computational Statistics & Data Analysis, 50(9), 2361–2380.

Driscoll, J. C., and Kraay, A. C. (1998). “Consistent covariance matrix estimation with spatially dependent panel data”, Review of economics and statistics, 80(4), 549–560.

[Package plm version 1.5-12 Index]