A study by the United Nations Development Programme (UNDP) estimated that 700,000 to 800,000 livelihoods have been lost as a consequence of trade liberalization and the subsequent fall in maize prices.
联合国开发计划署(开发计划署)的一项研究估计，由于自由贸易的影响以及随后玉米价格下跌，有70万至80万份生计已经不复存在。