Are most workers in Finland part of a Union if one is accessible for their role ?
Slichter 1950 ; Dickens and Katz 1986 ; Krueger and Summers 1988 ) : if firms must pay high wages to some groups of workers – perhaps because they are in short supply or for other efficiency - wage reasons such as shirking – then demands for fairness will lead to a compression of the pay scale , and wages for other groups within the firm will be higher than in other industries or firms .