How does macroeconomics help analyze the impact of the coronavirus that swept the world late last, and this year?

Nobody knows exactly how many people live in Lagos, Nigeria. But they all agree on one thing – Nigeria's biggest city is growing at a terrifying rate. The UN says 14 million. The Lagos State government thinks it’s nearer 21 million, as rural Nigerians are drawn by the hope of a better life to one of Africa’s few mega-cities. By 2050 Nigeria will have twice the population it has today, more than half will live in cities, and about 60% of them will be under 25.As Lagos’ population booms, so too does business activity. Currently, Ben is employed with Marriott and he works in New York City. His manager approaches him with a promotion, which entails moving to Lagos, Nigeria, an emerging market with a population of 12 million people. Ben feels that culturally, this move will be too difficult, but his manager is trying to emphasize the many opportunities that could come from this both economically and professionally for Ben.  Question: Which of the following statement(s) will be the most…

12) Detail the workings of the ‘new consensus’ 3-equation model.

What is the effect of the corona virus on the World economy and how to sustain with it?