Frontmatter -- Inhalt des 228. Sandes -- Inhalt / Contents -- Contributions to Labormetrics: Guest Editorial -- Abhandlungen / Original Papers -- Two-Sided Learning with Applications to Labor Turnover and Worker Displacement / Pfann, Gerard A. / Hamermesh, Daniel S. -- Wages, Hours and Human Capital Over the Life Cycle / Hart, Robert A. / Ma, Yue -- The Phillips Curve and NAIRU Revisited: New Estimates for Germany / Fitzenberger, Bernd / Franz, Wolfgang / Bode, Oliver -- The Aging of the Unions in West Germany, 1980-2006 / Schnabel, Claus / Wagner, Joachim -- The Causes and Consequences of Adopting a Works Council / Kraft, Kornelius / Lang, Julia -- Company-Level Pacts for Employment / Bellmann, Lutz / Gerlach, Knut / Meyer, Wolfgang -- Parental Background and Earnings: German Evidence on Direct and Indirect Relationships / Cornelissen, Thomas / Jirjahn, Uwe / Tsertsvadze, Georgi -- Relative Demand and Supply of Skills and Wage Rigidity in the United States, Britain, and Western Germany / Puhani, Patrick A. -- The Effects of Active Labor Market Programs in Germany: An Investigation Using Different Definitions of Non-Treatment / Stephan, Gesine -- Dynamic Panel Data Models with Spatial Correlation / Hujer, Reinhard / Rodrigues, Paulo J.M. / Wolf, Katja -- Assessing the Rationality of Survey Expectations: The Probability Approach / Breitung, Jorg -- Measuring Research Intensity from Anonymized Data: Does Multiplicative Noise with Factor Structure Save Results Regarding Quotients? / Ronning, Gerd -- Buchbesprechung / Book Review / Winker, Peter -- Backmatterweiterlesen