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)
union
left
size
concen
Pryor, 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)