Answer:Internal validity
Explanation: Internal validity is a term used in research to describe how well experiments or researches are done, it is usually used to shows whether it avoids confounding, The less chance for confounding in a study, the higher its internal validity.
Internal validity tends to show the soundness of an experiment or research, it also shows how many Confounding variables you have in your experiment or research.
Answer:
The correct answer is (A)
Explanation:
Normally, goods which close substitutes tend to have more elastic demand as it is easier to switch from one brand to another because they are close substitutes. For example, if the price of Pepsi increases the consumers will easily shift towards Coca-Cola. So, close substitutes are price sensitive and they have high elastic demand compared to other goods.
The future value is always more than the present value because the value of the dollar can be higher in the next day. plus it can be adding the interest in the future value.
Answer: 0
Explanation:
From the question, we are informed that a customer has an existing short margin account and wants to write five covered puts against 500 shares of stock that are short in the account.
Based on the above scenario, the margin requirement to write the puts will be zero. This is due to the fact that there is no risk that is attached to the short calls.
Answer:
Risk Control
Explanation:
The statement, "You are more likely to control risks when they are identified earlier rather than later" is associated with the Risk Control Management principle.
Risk control is more effective when risk identification is undertaken early enough so that control measures are put in place to mitigate such risks, otherwise there will be a shift from 'risk control' to 'damage control' once any of those risks materializes.
