 The shogunate re-established the Rice Exchange in 1773, under governmental sponsorship, regulation, and organization; the shogunate also established its own rice storehouse at this time.The direct impetus for this was a series of riots, as a result of famines, earlier that year.In general, however, by this point, the government realized the extreme economic power of the Rice Exchange in supporting the entire national economy, determining exchange rates, and even creating paper money.