A. the president is correct
Regulation in an economic system is the application of rules by the government or other administrative agencies backed by the use of penalties intended to support a competitive and growing economy. It can also aim at protecting the environment, plan an economy, and enrich connection of firms.
In certain sectors natural monopolies limit the prospects for effective competition and economic regulation is aimed at promoting effective competition where big and small companies have an opportunity for growth and consumers’ interests are protected.
Australia underwent a population boom because:
Australia was under the British 'empire' during the time. When the British prisons became overcrowded, many of them were shipped to Australia to live there. This increased the amount of people living in Australia exponentially, and eventually cities were founded
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D. Personal income tax provides the greatest percentage of revenue.
