"If the North American newsprint paper market has barriers to entry, then

A. abnormally high profits will attract the entry of new firms.

B. the entry of new firms will eventually cause price to decline.

C. surviving firms earn only a normal level of profit in the long run.

D. entry will be blocked even if firms are earning high profits."

D. entry will be blocked even if firms are earning high profits. "

Explanation:

"Barriers to entry" is an economic term that represents the establishment of factors that prevent or hinder a company from starting to operate in a certain segment of the market, even if that company has a high profit margin. These barriers can present economic, technical and legal factors.

With that, we can say that "If the North American newsprint paper market has barriers to entry, then entry will be blocked even if firms are earning high profits."

1. state-issued photo ids. provide them for free for those who can't afford them.

2. the system we have seems to be working nearly perfectly. seems like about 31 cases per billion votes cast

3. the national policy for hiring new employees which requires proof of eligibility to work. there are something like 20 types of identification which can be used for this.

i think it is the third one.