What do you think is the highest barrier to entry into the market for a drug that is produced by a monopoly? Why is it a barrier?

well if it is being produced by a monopoly it shouldn't have any barrier to entry because they are the only ones producing it so there would be no competition. i mean maybe FDA problems but I don't see any other barrier

Explanation:

i dont believe in religion. lets all be peace

for many centuries there were important factors which the economies of the muslim empires developed increasingly. they applied economic procedures in production, investment, finance, taxation and property. they used to tax certain goods (for example: harvest), they charged interest on money lent, they signed contracts with merchants; they relied on a common currency, and they used checks as well as promissory notes. with the money collected by means of taxation, the government provided the needy with an income. in addition, trading networks covered huge distances, so far regions started to have contact and exchange goods. this trade network covered areas of asia, africa and europe.