Existing growth research provides little explanation for the very large differences in long-run growth performance across OECD countries. We show that cognitive skills can account for growth differences within the OECD, whereas a range of economic institutions and quantitative measures of...

Investment in water purification technologies led to large mortality declines by helping eradicate typhoid fever and other waterborne diseases. This paper seeks to understand how these technologies affected human capital formation. We use typhoid fatality rates during early life as a proxy for...