The statement " An economist would look for data on past changes in the money supply, and note the resulting changes in the price level " is correct.
Explanation:
In the past, the knowledge economist will research price-money ties and observe trends; then analyse data, and establish the theory.
Financial experts analyse the market activity of economists. Their main responsibility includes the compilation and review of economic and socio-economic data, guidance on economic choices for companies and governments and the creation of models for economic predictions.
- Financial political and socio-economic data collection and review.
- Surveys and diverse sampling techniques are carried out.
- Researching different areas such as governance, economics, employment, electricity, etc.
- Using historical information. Market trends analysis.
Answer: Stratified random sampling
Explanation:
Given : The manager of the customer service division of a major consumer electric company is interested in determining whether the customers who have purchased a Blu-ray player made by the company over the past 12 months are satisfied with their products. If there are 4 different brands of Blu-ray players made by the company.
The best sampling strategy which we can use is stratified random sampling because it is not much costly and also it induces the efficiency . We can me different strata according to the 4 brands , then we can randomly select participants for the sample.
- Stratified random sampling is a method of probability sampling in which a researcher divides the entire population into multiple homogeneous groups known as strata and then he randomly select an sample members from each strata for research .
<span>The bond is a written promise to pay the bond's par value and interest at a stated contract rate. </span><span>Bonds that have interest coupons attached to their certificates, which the bondholders present to a bank or broker for collection, are called coupon bonds.
</span><span>Bondholders detach coupons when they mature and present them to a bank or broker for collection.
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It is called A COST DRIVER. A cost driver refers to any factor that causes a change in the cost of an activity. Cost driver is used to assign overhead costs to the quantity of a particular goods that is manufactured. Example of a cost driver is direct labour hours input into a production operation.
