4. If exports rise by $70 billion and imports drop by $30 billion, then what's the net exports change? Remember Net Exports = Exports - Imports

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5. If exports drop by $10 billion and imports rise by $7 billion, then what's the net export change?

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9. Explain why when the economy goes into full gear, producing robustly, unemployment falls, but inflation tends to rise:

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10. Explain why when the economy falls into a recession, or even slows down, producing less, unemployment tends to rise, and yet inflation eases:

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