Please write clearly, thank you

(a) Covid-19 pandemics has caused disruptions in economic activities in most

affected countries. One of the worst effects is the increase in unemployment.

(i) Explain one recovery measure that can help ease the unemployed

workers.

(ii) Using the Beveridge curve and WS-PS model, explain the impact of the

recovery measure during the downturn on economy's vacancy and

unemployment rate.

(b) (i) Discuss why a firm pays higher wages to its workers as compared to the

other similar firms in the market.

(ii) Using an efficiency wage model, derive the optimal wage equation and

explain factors affecting it.