Explain the various arguments countries used to justify the imposition of tariffs in context of Covid 19. (8 marks) b. Refute one of the arguments discussed in section above. Economists also argue that any form of export restriction will increase domestic availability to mitigate scarcity but at the same time such measures can reduce total global supply and limit the availability of these goods to countries with limited manufacturing facilities. Economists further asserted that export restrictions lead to retaliatory measures that further cut off countries from essential supplies, disrupt the supply chain, and create uncertainty.