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1/ The passage begins by introducing the economic phenomenon of increasing economies of scope, quickly moving from the definition to an example from American history (economies of scope in American agricultural production).
The next paragraph is devoted to a series of illustrations of how cattle ranchers achieve greater economies of scope by producing multiple products directly from their cattle, as well as by selling scrap/waste byproducts that they cannot use themselves to other manufacturers that can put those products to use in their supply chains.
The last paragraph limits the concept of economies of scope, by showing that not all diversification of production is able to produce gains in overall efficiency. An example follows: The cattle ranch of the previous paragraph cannot become more efficient overall by producing dairy products alongside its other outputs, because the day-to-day requirements of dairy farming conflict too strongly with those of core cattle ranching tasks; as a result, trying to perform both types of work together will lead to lower efficiency.
Choice A nicely summarizes these principal parts of the passage content.
INCORRECT ANSWERS:
B. Economies of scope are factually realized in many types of business operations; there is nothing to suggest that anybody disputes this observation or that it is otherwise “controversial”. Moreover, the possible economies and diseconomies of scale for cattle ranches in the second and third paragraphs are not “opposing views”, but rather represent observations that are all simultaneously true.
C. Although economies of scope result from various sensible multi-activity business strategies, the phenomenon of economies of scope itself is not a business strategy. Moreover, all of the specifics in the last two paragraphs pertain to cattle ranches, a single type of business.
D. The ubiquity of economies of scope throughout the history of the United States economy can be accurately described as a historical economic trend, and there is indeed information to confirm that its manifestation in agriculture was the earliest (“founding”) instance of that trend. The example whose economies of scope are then analyzed in detail, however, is the cattle ranch—not the “founding example” of cooperative farms established in the 1770s by groups of colonial farmers. Furthermore, while the third paragraph discusses business expansions that would have the opposite of the effect discussed in the rest of the passage, this discussion is not a “counterexample” because it does not argue against the existence of economies of scope in general—it merely shows that those gains would not obtain from the single extra line of business discussed in that paragraph.
E. The first part of this answer choice accurately describes the opening part of the passage. The remaining text, however, does not give “arguments for and then against the validity of” the concept of economies of scope, but rather illustrates that concept for one specific type of agricultural enterprise (the cattle ranch) with examples of business diversification that did lead to economies of scope and then a hypothetical instance that would have produced the opposite result.
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2/ The passage defines economies of scope as “efficiency gains [from] taking on the production of multiple related goods simultaneously”. The examples used to illustrate this concept include a pair of items sold by cattle ranches as ready-to-use products, as well as other products sold by the ranches to other manufacturers for further processing into other types of goods.
The negative phrasing of the question (“LEAST likely”—which, in these questions, is equivalent to “NOT”) tells us that there will be four answer choices that DO describe the simultaneous production and sale of multiple different products, either to end users or to secondary manufacturers, and one answer that describes no such thing. That latter choice will be the correct answer.
Let’s have a look through the choices:
A. The hamburgers and the chili are two different products that the restaurant both sells to consumers, so this is a valid illustration. Furthermore, the economies of scope are particularly obvious in this case, as we’re explicitly told that the broken hamburgers could not be sold at all if they WEREN’T turned into a second product.)
B. The sale of whey to secondary manufacturers is analogous to the corresponding sale of collagen, gelatin, and bovine carcasses for further processing as described in the passage.
C. The sale of fish scales—which are removed from frozen fish fillets, and are therefore a waste byproduct of that manufacturing process—to cosmetics manufacturers is analogous to the corresponding sale of collagen, gelatin, and bovine carcasses for further processing as described in the passage.
D. The manufacturer’s production and sale of suitcase bodies alongside auto-body panels is analogous to the cattle ranch’s simultaneous production and marketing of beef products and bovine leather hides as mentioned in the passage.
E. The grower in this answer choice is not diversifying its business operations into any
additional product; it has merely found another customer for the same single type of good that it already produces. This additional volume of business may lead to economies of
scale for the grower, but not to economies of scope as described in this text. This choice is therefore the correct answer to the problem.
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3/ The entirety of the last paragraph is an illustration of exactly what is meant by this statement, so the correct answer will be whichever choice most accurately expresses the point being illustrated in more general terms. The point is that economies of scope will not necessarily result from ANY randomly chosen combination of two or more possible lines of business; if an enterprise attempts to pursue two business activities with mutually exclusive demands on the operators, it may ultimately produce less per unit of input—i.e,. may experience diseconomies rather than economies of scope. That’s exactly what choice C says.
INCORRECT ANSWERS:
A. The author neither says nor implies that there are businesses without any realistic opportunities to realize economies of scope. Only one type of business—which can, in fact, diversify its output in many possible ways—is presented as an example.
B. “Universal” could certainly mean “under any imaginable economic conditions or local laws” in some other context, but this passage does not discuss underlying economic conditions or government regulation.
D. This answer choice does not describe anything that might limit economies of scope; it describes possible limitations on secondary manufacturers that are downstream in a supply chain from the businesses with potential economies of scope.
E. Diminishing returns are still positive returns. Likewise, the diminishing economies of scope described in this answer choice are still, in fact, positive economies of scope—so this choice is exactly the opposite of anything that could conceivably address the question.