Answer:
A. Micro-economics
Explanation:
Micro-Economics represents a study of economic activiites or economic choices that affect individual businesses or organisations, individual consumers or individual families. Since the focus of Williams & Co is on determining appropriate prices for products sold in its individual firm, then the focus is micro-economics
Macro Economics represents the study of economic activities and choices but instead of the individual level, it studies these acivities at the overall national level or at the global level. So the study of pricing among the various detergent producing firms in the United States is under the purview of macro economics
Monetary policy focuses on the tools that are used to regulate the entire economy especially the Federal Reserve through the regulation of the activities of member financial institutions.
Fiscal Policy focuses on the activities of government to control its expenditure, tax rates and overall monitor or regulate the economy
Answer:
2.85
Explanation:
U.S. Treasury bills are a risk-free asset, and thus have a beta of zero. Since Stock A has a risk-level equivalent to that of the overall market, its beta is one. Therefore, the beta for Stock B can be found by:

The beta of Stock B is 2.85.
Answer:
The correct answer is letter "A": searching by brand.
Explanation:
Consumers search by brand when they have decided what product they want to buy but need to compare what one company offers compared to another. This will help consumers differentiate prices, features, and the additional benefits companies offer for selling the same product.
Eventually, the consumer will choose the product that provides him or her with more benefits assuming the decision that an individual will make is rational.
Answer:
1. Sports Team Shirt - Excludable / Rivalrous
2. Air we breathe - Non - Excludable / Non - Rivalrous
3. Atlantic Bluefin Tuna - Non -Excludable / Rivalrous
4. A Toll Road - Excludable / Non - Rivalrous
Explanation:
A rivalrous good is one in which usage, by an individual limits the ability of another to use the same good. Rival goods are tangible. This means that they can be held or touched. Examples in this category are; A sports team shirt and, the Atlantic Blue Fin Tuna. Eating a Tuna would limit access to another person, who wants to eat Tuna at that point in time. The same would apply to wearing a sports shirt.
A Non - Rivalrous good is one in which usage by an individual does not limit consumption by another. Most non - tangible goods are non -
rivalrous. Examples in this category are; the air we breathe, and the Toll Road. Almost anyone can access these.
Excludable goods are only used after payment for them has been made. Examples are the Toll Road and the Sports Team Shirt.
Non - Excludable goods can be used even when payment has not been made. Examples are Air and The Atlantic Blue Fin Tuna which anyone can access.