Borusyak, Kirill, Peter Hull, and Xavier Jaravel, "Quasi-experimental shift-share research designs," The Review of Economic Studies, 2022, 89 (1), 181–213.
Фото: Valentyn Ogirenko / Reuters
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“In reality, Russia and Iran are close allies that act in concert — Iran supplies weapons and Russia helps Iran develop its defense industry. These are interconnected conflicts,” Merezhko told The Associated Press.