Which of the following countries provides the best example of a successful import substitution development strategy?

High wage countries like the United States tend to use less labor-intensive production methods than low wage countries like Mexico

a. True b. False Indicate whether the statement is true or false

People who drive fuel-efficient vehicles tend to recycle more often than people who drive gas guzzlers. This is an example of

A. difference-in-differences. B. correlation. C. statistical significance. D. causation.