The most dramatic change that followed each technological revolution was_______________?
Correct answer: A. a dramatic increase in population
- A. a dramatic increase in population
- B. a visible decrease in population
- C. the systematic migration of populations to different areas
- D. a return to an agrarian way of life
Explanation
Technological revolutions improve food production, medicine, and living conditions, causing a major rise in population. Migration and changes in farming may follow, but population growth is the broadest recurring effect.
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The economy is studied as a whole through national income, gross domestic product, inflation, unemployment, economic growth and business cycles. Coverage includes aggregate demand and supply, consumption and investment, money and banking, fiscal and monetary policy, exchange rates and balance of payments, which distinguishes macroeconomics from the study of individual markets.
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