Under a program called the Emissions Trading​ Scheme, the governments of European Union member nations establish overall targets for greenhouse gas emissions and issue​ , or​ permits, authorizing companies to emit certain amounts. In​ theory, an increase in the market clearing price of​ should induce firms to develop methods of​ their emissions of greenhouse gases. A. allowances; allowances; reducing
B. vouchers; pollution; eliminating
C. allowances; allowances; eliminating
D. vouchers; pollution; reducing

A). allowances; allowances; reducing

Explanation:

According to the Question,

Except for all other option, only option A fit better in the above definition.

you get one warning and if you do something to violate the guidelines of after that you get kicked off.

mark as

the answer would be voluntary exchange -

"the act of buyers and sellers freely and willingly engaging in market transactions. moreover, transactions are made in such a way that both the buyer and the seller are better off after the exchange than before it occurred."

hope this : )

-shy