In an open economy, gross domestic product equals $2,450 billion, consumption expenditure equals $1,390 billion, government expenditure equals $325 billion, investment equals $510 and net capital outflow equals $225 billion. What is national saving?

Which of the following is a problem with the price system that can lead to a breakdown in the coordination of economic activity?

A) Prices can be slow to adjust. B) The price system works silently in the background. C) Prices may be flexible. D) all of the above

By definition, economics is the study of

A) how to make money in a market economy. B) the choices people make to attain their goals, given their scarce resources. C) how to make money in the stock market. D) supply and demand.