What is the aim and purpose for circular curve?

What effect does a complementary goods price have on the demand of another good? Where can you find prices for baled cardboard? When are negative externalities present? Which countries are currently capitalist? Match each current trend in the global economy with one of its economic effects.? How does the specialization of labor contribute to increased productivity? What happens if the US runs out of oil? What happens to the individual demand curve as the price of an item increases? Why countries trade with each other? Does the demand for a product in general tend to be more inelastic than the demand for that product from a particular supplier? When are the 250.00 stimulus checks Social Security recipients are suppose to get being sent out? How does environment is affected by sociological and economic impact? What satisfaction do consumers get from the goods and services they purchase? When a Unexpected inflation will have biggest impact on what people? Who sets prices in a capitalist system? What different between change in demand and change in quantity demand? Do all economic systems you central planners to decide how much of a good will be produced? What is the lowest price that Apple ever traded and what was the date? Why are so many farms small in size? What are three basic roles Adam smith gave the government?