Answer:
The correct answer is: market efficiency; government intervention; specialization; equilibrium.
Step-by-step explanation:
The owner of the snow cones realizes that the demand for snow cones has decreased in winter, and thus, closes shop to open back. This is an example of market efficiency.
The local river is being polluted too much because of the huge quantity of chemicals being dumped in the river. The government, as a result, enforces regulation on the quantity of chemicals being dumped. This is an example of government intervention in the economy.
At a restaurant one chef is placed at the vegetable station, one chef is at meat station, and one is to plate the food. This an example of specialization the management is placing chef that specializes in vegetable, meat and in plating at their respective positions. So they can work in the most efficient manner and the service speed increases.
The favorable weather leads to an increase in the supply of oranges. This causes a rightward shift in the supply curve. The price of oranges fall as a result. This is an example of change in equilibrium.