Two reasons why an economy might operate inside of its production possibilities frontier are
a. productive efficiency and technological change
b. depressions and inflation
c. recessions and productive inefficiency
d. opportunity costs and substitutability of resources used in production

The correct answer is option c.

Explanation:

A production possibility frontier shows the maximum possible combinations of two goods that an economy can produce using all the available resources. The points below the production possibility frontier show inefficient bundles. The points on the curve show the efficient utilization of resources. The points above the curve show unattainable bundles.  

An economy may operate below its production possibility curve because of recessions and inefficiency in production. During recessions or because of productive inefficiency all the available resources are not efficiently utilized.

being suspected of supplying drugs means you are much more likely to be charged. the amount of drugs found on you, and whether you have a criminal record, will be taken into account when a punishment is being decided.

decisions to prosecute are taken by the public prosecution service. the maximum sentences for intent to supply drugs are: