Yes/no + why?

a. Everything else constant we record the amount of output a certain number of machines produce in one hour. With 2 machines we produce 10 bikes. With 3 machines we produce 18 bikes. With 4 machines we produce 24 bikes. The marginal product of capital is therefore increasing

b. In the Solow growth model having a higher savings rate means that the growth rate of the economy is higher in the steady state.

c. If an Asian private company wants to make a stable coin against the Dollar, it does not need to hold foreign exchange reserves as it is not a Central Bank