1. Economics as a science ___________ of two disciplines: microeconomics andmacroeconomics.b) consists 2. __________ he ever _________ Keynes?a) Has, read 3. Output for export __________ to climb. a) continued4. Certain clauses of contract must _________ and signed.a) be written 5. Some of the items __________ necessary in any contract.b) are 6. This method ___________ when the Buyers are unknown to the Sellers.c) is used7. This method of payment __________ risk. b) involves 8. Goods for export __________ to be properly packed. b) are 9. Adam Smith __________ to the principal economic beliefs of his day.c) objected10. Although modern technology __________, the principles of the division of labour remainunchanged. c) has improved11. Standard of living in many _________ nations continues to decline.a) developed 12. Simply ________, the equation of exchange tells that total spending is equal to the totalvalue of goods and services produced by the economy.c) stated13. In Marx’s view, the course of history ____________ almost solely by economic forces.a) determines 14. During the 1960s it was believed that unemployment __________ to 4% of labour forcewithout causing inflation.a) could be reduced 15. Opportunity cost _________ an important concept in microeconomics.4a) is