In the article that accompanies this editorial, Lu et al 5 conducted a systematic review on the use of instrumental variable (IV) methods in oncology comparative effectiveness research. The main ...
The extent to which depression and obesity are causally related remains to be determined. We used intergenerational data on mother–offspring pairs in an instrumental variable analysis to examine the ...
“LIKE elaborately plumed birds…we preen and strut and display our t-values.” That was Edward Leamer's uncharitable description of his profession in 1983. Mr Leamer, an economist at the University of ...
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