What factors can lead to the development of mixed economies?

A mixed economy means that part of an economy is managed by the government while part of it is left with the free market. Its development factors involve allowing private enterprise to run most of the business and then in the later part government can come in for providing public services or regulation of private business etc. 

i just did something on this guy a few days a go give me two minutes to find it in my notes.

c. more people could read and interpret the bible for themselves