TY - CHAP T1 - Introducing age, period and cohort effects T2 - Age, Period and Cohort Effects: Statistical Analysis and the Identification Problem CY - Abingdon UR - https://www.routledge.com/9780429056819 PY - 2021/01/01 AU - Bell A ED - Bell A PB - Routledge SN - 978-0-367-17443-9 Y2 - 2024/09/19 ER -