. Вставьте в предложения слова: economy, economics, economist, economic, to economize, economical.
1. An early definition (определение) of... was "an inquiry (изучение) into the nature and causes of the wealth of nations".
2. The national... is the system of the management and use of resources of a country.
3. You can ... if you compare the prices of goods before buying them.
4. J. M. Keynes was a famous ....
5. Inflation may cause a bad ... state (положение) in a country.
6. If you've got a large family, it's more ... to travel by car than by train.

 1. An early definition (определение) of economics was "an inquiry (изучение) into the nature and causes of the wealth of nations".

 2. The national economy is the system of the management and use of resources of a country.

 3. You can economize if you compare the prices of goods before buying them.

 4. J. M. Keynes was a famous economist

 5. Inflation may cause a bad economic state (положение) in a country.

 6. If you've got a large family, it's more economical to travel by car than by train.