Which of the Following Is True of S-Curves in Technological

Multiple Choice

Which of the following is true of s-curves in technological improvement?

A) They are obtained by plotting the cumulative number of adopters of the technology against time.
B) They typically show that technology goes through initial accelerated improvement, then slow improvement, then diminishing improvement.
C) S-curves in technology diffusion and s-curves in technology performance are fundamentally the same processes.
D) The s-curves flatten when the cost of each marginal improvement increases and when diminishing returns to effort begin to set in.