Nor does it account for how lower Iranian GDP and imports -- as a result of sanctions -- further suppresses Iran 's ability to absorb exports from the sanctioning countries . A July 20 deadline to reach a permanent deal on Iran 's nuclear program is set . If a deal is reached , the U.S. will have to decide whether to lift sanctions , authors say . They say the U.S. is the most negatively affected of the nations under sanctions . The EU will likely end sanctions if a reasonable deal is reached , regardless of the outcome , they say .
A July 20 deadline to reach a permanent deal on Iran 's nuclear program is set . If a deal is reached , the U.S. will have to decide whether to lift sanctions , authors say . They say the U.S. is the most negatively affected of the nations under sanctions . The EU will likely end sanctions if a reasonable deal is reached , regardless of the outcome , they say .