complicated by the non-observability of the outcome of interest due to attrition, sample selection, or survey non-response. To … tackle the latter problem, the latent ignorability (LI) assumption imposes that attrition/sample selection is independent of … the outcome conditional on the treatment compliance type (i.e., how the treatment behaves as a function of the instrument …

endogeneity and attrition/non-response bias, using two instrumental variables. Making use of a discrete instrument for the … treatment and a continuous instrument for non-response/attrition, we identify the average treatment effect on compliers as well … training) and attrition are instrumented by randomized cash incentives paid out conditional on gym visits and by a cash lottery …

outcomes are only partially observed due to sample selection or outcome attrition. We assume sequential conditional … missing at random or instrumental variable assumptions on the outcome attrition process. Under these conditions, we derive …

heterogeneous unit nonresponse. Attrition or unit nonresponse in panel data usually renders parameter estimators inconsistent unless … attrition process is conditionally mean independent of the variables of interest then the sample equivalents of the population …

, can be helpful in mitigating theeffects of attrition, both by allowing for estimation of richermodels and by making … data with attrition. …