Economics is the study of how societies with limited resources decide what to produce, how to produce and for whom to produce. What, how, and for whom to produce are problems all over the world because human wants are practically unlimited, but all societies have only limited quantities of resources that can be used to produce goods or services.
A knowledge of basic economics is important for understanding both the problems and opportunities that will face the world economy in the 21st century. As a student of economics, one will have the chance to discover how commerce, government policies, and day-to-day decisions made by consumers affect his living standards. The study of economics can help him understand the influence of such events as the move to free markets in Poland and Russia, or of ups and downs in interest rate and the foreign exchange rate. Economics is influenced by developments in the many different areas of business, politics, science, nature, religion and
A. A particular religious belief.
B. A firm’s decisions.
C. Weather conditions.
D. The study of literature.
A recent study demonstrated how powerful a few words can be: Forty competitive tennis players were shown digital images of balls coming their way. Just before each ball appeared, the players saw or heard comments like "Good shot" or "Bad shot. " The reaction times of players hearing negative remarks were measurably slower. And these were athletes who trained frequently to play a consistent game and not make unforced errors.
What is the explanation Negative feedback weakens anyone’s belief in his or her ability to succeed. But if you can hold on to a winning attitude, you’ll make a greater effort and also create positive drive. Confident people inspire others; opportunities seem to come their way more often. They become magnets for success.
Learn the importance of giving yourself pep talks, and keep the voice in your head positive. The best athletes’ success is rarely due to raw talent alone. It’s because they’re si
A. excellent performance often goes with well-trained players
B. excellent performance often goes with positive comments
C. high-tech methods help players avoid unforced errors
D. high-tech methods increase players’ competitiveness
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