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A panel analysis of student mathematics achievement in the US in the 1990s: does increasing the amount of time in learning activities affect math achievement?
Assessing the Significance of Cohort and Period Effects in Hierarchical Age-Period-Cohort Models: Applications to Verbal Test Scores and Voter Turnout in U.S. Presidential Elections
A MIXED MODELS APPROACH TO THE AGE-PERIOD-COHORT ANALYSIS OF REPEATED CROSS-SECTION SURVEYS, WITH AN APPLICATION TO DATA ON TRENDS IN VERBAL TEST SCORES
A Mixed Models Approach to the Age-Period-Cohort Analysis of Repeated Cross-Section Surveys, with an Application to Data on Trends in Verbal Test Scores
The labour market for older workers : earnings trajectories, labour supply and employment
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