B. <span>Private individuals and businesses ought to answer most economic questions for themselves.</span>
Ancient Greek philosophers first described deductive reasoning. One of them was Aristotle, according to which deductive reasoning is a process of reasoning from the general to the specific, and it is supported by a deductive logic. A deductive logic is that according to which for every general claim or action there is an opposite and equal claim or action. For example, from the general claim that all ravens are black birds, the opposite and equal claim is that this bird is a raven and therefore is black.
A shift in aggregate demand can cause an economic expansion and over time the effect on the expected price level is rising and shifting aggregate supply to the left. Hence, the correct option is (D).
<h3>What is Aggregate Demand?</h3>
Aggregate demand is a measurement of the demand that occurs for a product or service in a nation. The measure used in aggregate demand is money. Therefore, aggregate demand will show the amount of money spent by consumers on a good or service at a certain price level. Aggregate demand measured over a long period of time will also reflect gross domestic product (GDP).
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