Identify which of the following statement is true.
(W) Leibenstein claims that the dominant, necessary characteristics of entrepreneurs is that they are gap - fillers.
(X) Kirzner suggests that the process of innovation is actually of spontaneous "undeliberate learning".
(Y) Knight claims that an entrepreneur will be able to bear the risk of a new venture if he believes that there is a significant chance of profits.
(Z) Marshall, however, implies that people can be taught to acquire the abilities that are necessary to be an entrepreneur.
Select the correct answer from the options given below -