The way that oligopolies forming cartels and colluding affects consumers is that prices for goods and services will be higher.
If there was collusion in the prescription drug industry, the prices of medicine would rise.
The government's role in a situation where there is collusion is to stop it from continuing.
When oligopolies collude, they are able to set the price for the good or service that they sell because they would control the market. This would allow them to set higher prices to make more profit.
If this happens in the prescription drug industry, medicine prices would go up much like what Martin Shkrli attempted in with Daraprim.
The U.S. is a free market nation which means that it frowns on cartels and collusion. The U.S. government would therefore act against collusion by stopping it and prosecuting those involved.
Find out more on collusion by oligopolies at https://brainly.com/question/13658628.