| unionDensity {pscl} | R Documentation |
Cross-national data on relative size of the trade unions and predictors, in 20 countries. Two of the predictors are highly collinear, and are the source of a debate between Stephens and Wallerstein (1991), later reviewed by Western and Jackman (1994).
data(unionDensity)
unionleftsizeconcenPryor, Frederic. 1973. Property and Industrial Organization in Communist and Capitalist Countries. Bloomington: Indiana University Press.
Stephens, John and Michael Wallerstein. 1991. Industrial Concentration, Country Size and Trade Union Membership. American Political Science Review 85:941-953.
Western, Bruce and Simon Jackman. 1994. Bayesian Inference for Comparative Research. American Political Science Review 88:412-423.
Wilensky, Harold L. 1981. Leftism, Catholicism, Democratic Corporatism: The Role of Political Parties in Recemt Welfare State Development. In The Development of Welfare States in Europe and America, ed. Peter Flora and Arnold J. Heidenheimer. New Brunswick: Transaction Books.
data(unionDensity)
summary(unionDensity)
pairs(unionDensity,
labels=c("Union\nDensity",
"Left\nGovernment",
"log Size of\nLabor Force",
"Economic\nConcentration"),
lower.panel=function(x,y,digits=2){
r <- cor(x,y)
par(usr=c(0,1,0,1))
text(.5,.5,
format(c(r,0.123456789),digits=digits)[1],
cex=1.5)
}
)
ols <- lm(union ~ left + size + concen,
data=unionDensity)
summary(ols)