Drag the tiles to the boxes to form correct pairs. Match the scenarios with the economic concepts they illustrate. positive externality substitution effect negative externality income effect The rising price of gold causes people to buy silver jewelry instead. arrowBoth When the price of gas increases, people drive less. arrowBoth A new factory in a village provides livelihoods for the villagers. arrowBoth A new factory in a village causes noise pollution. arrowBoth