Haneuse, Sebastien J.-P. A.; Wakefield, Jonathan C. - In: Journal of the Royal Statistical Society Series B 70 (2008) 1, pp. 73-93
Ecological studies, in which data are available at the level of the group, rather than at the level of the individual, are susceptible to a range of biases due to their inability to characterize within-group variability in exposures and confounders. To overcome these biases, we propose a hybrid...
