Diminishing Returns? An economy increased employment first from 10,000 to 20,000 and then from 20,000 to 30,000. The corresponding increases in output were 15,000 and 20,000, respectively. Nothing...

Diminishing Returns? An economy increased employment first from 10,000 to 20,000 and then from 20,000 to 30,000. The corresponding increases in output were 15,000 and 20,000, respectively. Nothing else changed during this period. Did this economy exhibit diminishing returns?