Answer:
The correct answer is option 4.
B. The correct answer is option 3.
Explanation:
The seaport town here became extremely popular with shipping countries due to its location. It increased the demand for docking at the port. As a result, the port became congested and ships must wait for hours. This is an example of market failure.
Here, the market is not able to efficiently allocate the product. The demand for the port is higher than what the market is able to supply efficiently.
A command economy can be defined as the economy in which the activities are controlled by any central agency, generally a government.
The Mayor instead of controlling if tries to solve the problem through the working of the market forces then it would be farthest from a command economy. If Mayor intervenes in any way then it is a command economy.