11
30) The idea that the more any given resource is applied to production, the lower the marginal
gain in output, until a point is reached where the additional inputs produce no additional output,
is referred to as:
A) the point of no return.
B) the law of diminishing returns.
C) supply and demand.
D) inelasticity.
E) virtual economics.
AACSB: Application of Knowledge
LO: 3.1: How do Porter’s competitive forces model, the value chain model, synergies, core
competencies, and network-based strategies help companies use information systems for
competitive advantage?
31) Which of the following statements about network economics is not true?
A) eBay is an example of a business model that is based on the principle of network economics.
B) The law of diminishing returns does not always apply to every situation.
C) From a network economics perspective, the value of a community of people grows as the
number of participants in the community increases.
D) Information technology can be strategically useful from a network economics perspective.
E) In network economics, the marginal cost of adding new members to the network is higher
than the marginal gain.
AACSB: Application of Knowledge
LO: 3.1: How do Porter’s competitive forces model, the value chain model, synergies, core
competencies, and network-based strategies help companies use information systems for
competitive advantage?
32) In network economics, the value of a commercial software vendor’s software products:
A) increases as more people use them.
B) decreases as more people use them.
C) increases due to higher marginal gain in output.
D) decreases according to the law of diminishing returns.
E) is unrelated to the number of people that use them.
AACSB: Application of Knowledge
LO: 3.1: How do Porter’s competitive forces model, the value chain model, synergies, core
competencies, and network-based strategies help companies use information systems for
competitive advantage?