Spillover bias in multigenerational income regressions

Arbeitspapier

Intergenerational persistence estimates are susceptible to several well-documented biases arising from income measurement, and it has become standard practice to construct income measures to mitigate these. However, remaining bias can lead to a spurious grandparent coefficient estimate in multigenerational regressions, a recent focus of the mobility literature. We show with theory and simulations that even using a 30-year income average can result in a small positive spurious grandfather coefficient estimate. We further propose an IV approach, showing that it is not susceptible to this spillover bias in simplified settings and that it can provide bounds on the parameters in a more general scenario. With administrative data from Norway, we reveal a positive spillover bias in the grandfather coefficient estimates, and the combined evidence from our OLS and IV approaches suggest the preferred small positive OLS estimate could still be upward biased.

Object Details

• Language: Englisch

References and Relationships

• Bibliographic citation: Series: Discussion Papers ; No. 897

Classification and Topics

• Classification: Wirtschaft ; Job, Occupational, and Intergenerational Mobility; Promotion ; Multiple or Simultaneous Equation Models; Multiple Variables: General
• Subject: Multigenerational mobility ; income mobility ; measurement error ; spillover bias

Contributors, Places and Time

• Event: Geistige Schöpfung
• (who): Modalsli, Jørgen Heibø ; Vosters, Kelly
• Event: Veröffentlichung
• (who): Statistics Norway, Research Department
• (where): Oslo
• (when): 2019

Further information

• Handle: http://hdl.handle.net/10419/210957
• Last update: 10.03.2025, 11:44 AM CET