Which of the following describes the relationship between economic collusion and the effect on the GDP?

Question

Collusion results in an increase in competition, negatively affecting the GDP. 
Collusion results in a decrease in competition, positively affecting the GDP. 
Collusion results in a decrease in competition, negatively affecting the GDP
Collusion results in a decrease in competition, negatively affecting the GDP. 

Answer 1

Collusion results in a decrease in competition, negatively affecting the GDP.