C. international trading
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           D. an efficient market
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29) What keeps foreign exchange quotes in two different countries in line with each other?
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           A. Cross rates
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           B. Forward rates
           C. Arbitrage
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           D. Spot rates
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30) One reason for international investment is to reduce
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           A. portfolio risk
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           B. price-earnings (P/E) ratios
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           C. advantages in a foreign country
           D. exchange rate risk
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