The graph depicting the inverse relationship between the economy's rate of unemployment and rate of inflation is called the

Many species of animals are common resources, and many must be protected by law to keep them from extinction. Why is the cow not one of these endangered species even though there is such a high demand for beef?

a. Cows reproduce at a high rate and have adapted well to their environment. b. Public policies protect cows from predators and diseases. c. Cows are privately owned, whereas many endangered species are owned by no one. d. There is a natural ecological balance between the birth rate of cows and human consumption.

What is the input-substitution effect?

What will be an ideal response?