其他摘要：In this note, we apply a new test by Lind and Mehlum (2010), casting doubt on the claim proposed by Blanchflower (2007) that the probability of unionisation follows an inverted U-shaped pattern in age with a maximum in the mid- to late 40s. With this new test for an inverted U-shaped pattern, which has not been applied to the age-membership nexus before, and by constructing exact confidence intervals for the maximum value, we demonstrate that - at least with respect to West Germany - Blanchflower's hypothesis does not hold. Our findings suggest that more definitive evidence is needed before the existence of international unionisation-age patterns can be taken for granted. (original abstract)
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