If net taxes exceed government expenditures, the government sector has a budget ________ and government saving is ________

If the number of potential workers in an economy increases while the size of the labor force remains unchanged, ________

A) the labor force participation rate will fall B) the labor force participation rate will remain unaffected C) the labor force participation rate will increase D) the natural rate of unemployment will increase

If the Japanese yen was 123 per dollar and now it is 114 yen per dollar, it can be said that

A) the yen has appreciated against the dollar. B) the yen has depreciated against the dollar. C) the dollar has appreciated against the yen. D) Both answers C and B are correct