"Stock estimates" of missing women suggest that the problem is concentrated in South and East Asia and among young children. In contrast, 'flow estimates' suggest that gender bias in mortality is much larger, is as severe among adults as it is among children in India and China, and is larger in...

The long-recognized spurious regressions problem can lead to mistaken inference in panel instrumental variables (IV) estimation. Spurious correlations arising from correlated cycles in finite time horizons can make irrelevant instruments appear strong with signable consequences for estimated IV...