Which of the following are examples of situations with negative network externalities?

Which of the following statements is true of Black Wednesday?

A) Following Black Wednesday, the British pound became less valuable relative to the German mark. B) Currency traders who had borrowed pounds to buy German marks incurred huge losses due to Black Wednesday. C) The British government earned enormous profits by selling foreign currency reserves following Black Wednesday. D) Following Black Wednesday, the British pound became more valuable relative to the German mark.

Land is a resource category that includes timber growing on the land

Indicate whether the statement is true or false