one) Using the expenditure method, which of the following would increase gross private domestic investment in an economy where Apple Co. operates?

1. An increase in the level of Apple's inventory.
2. An increase in Apple's operating costs.
3. An increase in the shares of Apple stock households own.
4. An increase in the number of workers Apple hires.
5. An increase in the number of highway construction projects the government is funding.

two) Which of the following will reduce labour productivity?

1. A higher saving rate.
2. Better protection of intellectual property rights.
3. Firms hiring more workers to operate their machines.
4. More investment in physical capital.
5. Higher growth rates ofphysical capital and labour inputs.