Why can production only take place on or inside the frontier?

Production may occur anywhere on or within the frontier. ... Inefficient production means not all resources are being fully employed – it is still possible to increase production of both goods. This could occur during a recession or depression, or in a developing country. The PPF can be used to show tradeoffs.

Explanation:

answer: that government dose not want hire eric but hire minorities and woman on affirmative action quotas.

explanation:

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.