\fReal GDP per hour worked, Y/L ( *) pwpf 3 D ( * ) pwpf2 - IC ( * ) - - pwpf 14 B ( 2 ), ( 2 ), \\ Capital per hour worked, K/L Text description of graph & Within a country, the impact of wars and revolutions and their subsequent destruction of capital is reflected in the per-worker production function in the graph above by a movement from