Final answer:
When an insurance company charges the actuarially fair premium to the group as whole, it can lead to adverse selection and potential losses for the company. To sustain the insurance market, companies need to accurately categorize risk groups and abide by government regulations.
Step-by-step explanation:
When an insurance company tries to charge the actuarially fair premium to a group as a whole, instead of charging each group separately, it can lead to adverse selection. Adverse selection refers to the situation where higher-risk individuals are more likely to purchase insurance compared to lower-risk individuals. This can result in the insurance company facing higher costs and potential losses, as they may have to pay out more claims than anticipated.
In response to this, the insurance company may decide not to sell insurance in that particular market. To sustain an insurance market, the company must find a way to accurately categorize and charge different risk groups. The insurance industry also faces government laws and regulations that influence its operations and requirements.