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Answer:
a stock crash
Explanation:
Speculation refers to trading high risk securities in an attempt to earn higher than normal returns. Speculators use stock market fluctuations to purchase and sell risky securities, and when it is aired with buying on the margin the risk increases by the margin amount. Speculators profit from abrupt changes in security prices, and sometimes will artificially increase the price of securities (i.e. a stock market bubble).
Consumer confidence is vital for an economy's health and when it falls, the first place that takes notice of it is the stock market. A decrease in consumer confidence means less private consumption which inevitably results in an economic recession.
When both factors meet, over speculation and a decrease in consumer confidence, the result is the bursting of the stock market bubble and a sharp decrease in prices.
Answer:
The correct answer is B) it eliminates all the unpopular items for the analysis to save time (and computing power).
Explanation:
Taking into account that the analysis of the association rule takes into account a group of products that are sold for being complementary or that are sold from the purchase of others without being complementary, in a retail business it will be relevant to consider the popularity of products to determine behavior or pattern. In this sense, the "a priori" algorithm determines a previous situation that is not taken into account to study similar behaviors between products.
