Dialysis: Diffusion of Haemodialysis Technology

In pder: Panel Data Econometrics with R

Description

yearly observations of 50 states from 1977 to 1990

number of observations : 700

number of time-series : 14

country : United States

package : panel

JEL codes: I18, O31

Chapter : 09

Usage

data(Dialysis)

Format

A dataframe containing:

state

the state id

time

the year of observation

diffusion

the number of equipment divided by the number of the equipment in the given state for the most recent period

trend

a linear trend

regulation

a dummy variable for the presence of a certificate of need regulation for the given state and the given period

Source

Journal of Applied Econometrics Data Archive : http://qed.econ.queensu.ca/jae/

References

Steven B. Caudill, Jon M. Ford and David L. Kaserman (1995) “Certificate of Need Regulation and the Diffusion of Innovations : a Random Coefficient Model”, Journal of Applied Econometrics, 10, 73–78., doi: 10.1002/jae.3950100107 .

Examples

#### Example 9-1

## ------------------------------------------------------------------------
library("plm")

## ------------------------------------------------------------------------
data("Dialysis", package = "pder")
rndcoef <- pvcm(log(diffusion / (1 - diffusion)) ~ trend + trend:regulation, 
                 Dialysis, model="random")
summary(rndcoef)

## ------------------------------------------------------------------------
cbind(coef(rndcoef), stdev = sqrt(diag(rndcoef$Delta)))

pder documentation built on Jan. 27, 2022, 1:12 a.m.