Figure 25-1. On the horizontal axis, KIL represents capital (K) per worker (L). On the vertical axis, Y/L represents output (Y) per worker (L). TYL KUL Refer to Figure 25-1. The shape of the curve is consistent with which of the following statements about the economy to which the curve applies? In the long run, a higher saving rate leads to a higher level of productivity. In the long run, a higher saving rate leads to a higher level of income. In the long run, a higher saving rate leads to neither a higher growth rate of productivity nor a higher growth rate of income. All of the above are correct.