Question
refer to the following passage: A bear market is a time when, in general, the value of stocks on the stock market is going down.
refer to the following passage:
A bear market is a time when, in general, the value of stocks on the stock market is going down. A bull market is a time when, in general, the value of stocks on the stock market is going up. Over the past 50 years, approximately one out of every four years has a bear market. It is difficult or impossible for anyone to reliably predict what the stock market will do next year. In light of that information, Hadrian runs a real estate company. If he buys commercial property and a bull market happens he will probably get a profit of $500 000 over the next year. However, if he buys commercial property and there is a bear market he will lose $300 000. If instead he buys a residential building he expects a profit of $300 000 if there is a bull market or a profit of $100 000 if there is a bear market.
Alternatively, suppose that next year Hadrian tells you that he chose which policy to follow by flipping a coin! That would mean he chose at random, with a 50% chance of buying commercial property and a 50% chance of buying residential property. He also tells you that he did not lose money last year. What confidence should you have that there was a bull market last year? Show your calculations, and explain your answer in not more than two sentences.
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