If an increase in disposable income causes consumption to increase from $4,000 to $10,000 and causes saving to increase from $2,000 to $4,000, it can be inferred that the MPC equals

Both the value of hamburgers sold by a restaurant and the value of the beef it used to make these hamburgers are included in GDP

a. True b. False Indicate whether the statement is true or false

In new growth theory, the source of economic growth is ______.

A. more leisure B. new and better jobs C. the persistent want for a higher standard of living D. an ever increasing growth rate of capital per hour of labor