When small countries crash -- Sinking Scotland -- Caribbean follies -- Austria, credit-anstalt and the Great Depression -- When Finland almost failed -- Albanian pyramid schemes -- Volcanoes, Icelandic banks, and McDonald's -- Ireland's time of troubles -- Acropolis now -- Conclusion.

Diesel emissions from school buses expose children to high levels of air pollution; retrofitting bus engines can substantially reduce this exposure. Using variation from 2,656 retrofits across Georgia, we estimate effects of emissions reductions on district-level health and academic achievement....

Diesel emissions from school buses expose children to high levels of air pollution; retrofitting bus engines can substantially reduce this exposure. Using variation from 2,656 retrofits across Georgia, we estimate effects of emissions reductions on district-level health and academic achievement....