By 1989 the Michigan Panel Study on Income Dynamics (PSID) had experienced approximately 50 percent sample loss from …

inferred using only cross-sectional data. Panel or longitudinal data where the same units are observed repeatedly at different … units who respond in initial waves of the panel may drop out in subsequent waves, so that the subsample with complete data … for all waves of the panel can be less representative of the population than the original sample. Sometimes, in the hope …

.8. Economic theory of how to map these multipliers into a national multiplier has also advanced. Drawing on the theoretical …

first characterize the biases in both network statistics and estimates of network effects under non-random sampling …-classical measurement-error problems when applied as regressors. Apart from the sampling rate and the elicitation procedure, these biases … applied to network data collected via both designed and non-designed sampling procedures, does not require one to assume any …