According to Demographer Richard Easterlin

According to demographer Richard Easterlin,

A) small generations typically produce large generations, and large generations typically produce smaller ones.
B) members of smaller birth cohorts recognize the benefits of a small population and thus have fewer children.
C) smaller birth cohorts may experience more competition for jobs when they enter the work force.
D) because of a "contagion effect," members of larger birth cohorts have large families themselves and perpetuate the increasing population growth.