Two characteristics of oligopoly pricing that have frequently been observed are that
a. oligopolistic prices tend to be "sticky" or inflexible, and when the firms do change their prices, they tend to do so together.
b. oligopolistic firms’ prices tend to fluctuate a lot, and these prices tend to move together with each other.
c. oligopolists tend to practice a lot of price discrimination, and there tends to be a wide variance in oligopoly pricing.
d. oligopolistic firms’ prices tend to fluctuate a lot, and there tends to be a wide variance in oligopoly pricing.

Identify whether the statements are true or false by dragging and dropping the appropriate term into the bin provided. long-run economic growth is unlikely to be sustainable because of finite natural resources. in the modern economy, countries that possess few domestic natural resources essentially have no chance to develop economically. finding alternatives to natural resources will be very important to long-term economic growth. in the modern economy, human and physical capital are generally less important in productivity than natural resources. in the 19th century, countries with the highest per capita gdp were nearly always abundant in minerals and productive farming land.