Dear Applied Statistics Workshop Community,
Our next meeting will be on Wednesday, February 21 (12:00 EST). Ross
Mattheis presents "Spurious Mobility in Imperfectly Linked Data Trials"
(joint with Jiafeng Chen).
<When>
February 21, 12:00 to 1:30 PM, EST
Lunch will be available for pick-up inside CGIS K354.
<Where>
In-person: CGIS K354
Zoom:
https://harvard.zoom.us/j/93217566507?pwd=elBwYjRJcWhlVE5teE1VNDZoUXdjQT09
<Abstract>
Estimating intergenerational mobility often requires linking data across
multiple sources. However, mistakes in record linkage can introduce biases
in subsequent estimates. This paper re-examines the history of
intergenerational mobility in the United States with emphasis on bias from
imperfectly linked data. In particular, data corrupted by incorrect links
will typically attenuate estimates of linear estimands towards zero. When
the estimand is the intergenerational elasticity of status, this bias will
tend to exaggerate levels of mobility. We propose two complementary methods
to address bias from imperfectly linked data. Building on a large
literature on Bayesian entity resolution, our first approach samples from a
convenience prior and reports the ratio of the posterior and implicit prior
distributions for the target parameter. Our second approach takes advantage
of the availability of repeated measurements and identification results in
settings with misclassified data due to Hu (2008). Consistent with bias
from data-corruption, our estimates suggest that levels of mobility in the
U.S. were lower than previously believed, with conventional estimates of
the father-son elasticity of occupation status 10% to 40% lower than our
estimates. The gap between ours and conventional estimates is largest in
the mid-nineteenth century and declines in more recent years, resulting in
relatively stable levels of mobility over the period.
<2023-2024 Schedule>
GOV 3009 Website:
https://projects.iq.harvard.edu/applied.stats.workshop-gov3009
Calendar:
https://calendar.google.com/calendar/u/0?cid=Y18zdjkzcGF2OWZqa2tsZHJidTlzbm…
Best,
Jialu
--
Jialu Li
Department of Government
Harvard University
jialu_li(a)g.harvard.edu