bc532e9e_miah_Owyang___Digital_Business__Root_Cause
[Economic Drivers] Increase in World Population [Example] When I was born in the ‘70s, the world population was in about 4 billion; today it’s 7.1 billion. It is estimated to be close to 9 billion by the time I am 75 years old (data here). [Root Cause] 
China and India have population growth rates at 17% and 30%, respectively. America is at 22%. See Wikipedia.
The Three Market Drivers: Causes for the Collaborative Economy | Web Strategy by Jeremiah Owyang | Digital Business
Root Cause