The provision of a public good generates aa. negative externality, as does the use of a common resource. b. positive externality and the use of a common resource generates a negative externality. c. negative externality and the use of a common resource generates a positive externality. d. positive externality, as does the use of a common resource.

Which of the following businesses is most likely to disrupt an existing industry? a. closer connex developed an earphone that receives emails and text messages and converts them to voice messages. the first models had poor reception, but they rapidly improved over time. b. mega technologies reconfigured the components used in its touchscreen tablets to create a new type of wearable device for use in restaurants and other service industries. c. particle inc. developed a teleportation technology that can transport physical materials instantaneously across great distances. d. altrea added advanced camera technology to its premium line of smartphones so that they would take the highest-quality photos of all phones on the market.