Graph engaging in argument from evidence regarding minerals

Which sentences describes a cycle of dependency? a. aid harms the local economy creating the need for more aid. b. aid improves infrastructure and creates more wealth and more good infrastructure. c. aid programs become more reliable over time so people can depend on them. d. no answer is correct

Rational ignorance suggests that a. voters are ignorant on issues that are not of special interest to them b. voters do not pursue information about issues before voting c. low voter turnout is due to a lack of understanding of the platforms of each political party d. voters are uninterested in the electoral process

Why are the majority of the world's economies mixed? what may happen to the "pure" types of economies (traditional, socialist/command, market capitalist) when they incorporate elements from other economic models?