An economist finds a magic lantern and is granted one wish; which policy should he choose to maximize Economic Efficiency in the country's economy?
A. Implement a tax on new robots to finance an unemployment insurance fund for workers who lose their jobs to automation
B. Implement a on luxury cars to help ensure the rich pay their fair share
C. Provide government - sponsored rental assistance so the majority of workers can focus on their work and not have to worry about being able to afford housing
D.Implement an Education Voucher program (a tuition voucher issued by the government allowing parents to choose which school to send their kids to) in order to improve the quality of public schools by forcing them to compete with other public schools and private schools.