Reihe Contributions to EconomicsBert M. Balk × ProductivityConcepts, Measurement, Aggregation, and DecompositionBert M. BalkSpringer International PublishingSoftcover2022 ProductivityConcepts, Measurement, Aggregation, and DecompositionBert M. BalkSpringer International PublishingHardcover2021 ProductivityConcepts, Measurement, Aggregation, and DecompositionBert M. BalkSpringer International PublishingeBook2021