According to Professor Robbins, Economics may be defined as “a Science which studies human behaviour as a relationship between ends and scarce means which have alternative uses."

The principle of checks and balances is not well developed under the cabinet system of government largely because the three branches of government perform overlapping functions, and are so interconnected that it is diflicult to separate one from the other. As said before, the Lord Chancellor in Britain straddles the three arms of government. As such, the three arms of government are more or less one, and cannot, in reality, exercise effective control over one another.