Uncorrected vision is prevalent among rural children and those who migrate from rural areas to urban areas with their parents in China, of which more than 20 per cent are nearsighted. Since 2012 the Rural Education Action Program (REAP) has carried out the largest empirical vision care project...

The Russian government implemented a wheat export tax in February 2015 to reduce food inflationary pressures resulting from the rouble’s dramatic devaluation. This article discusses the causes of the rouble’s instability and volatility, and the effects of the export controls on domestic...