Neoliberalism Theory Within International Relations

What is Neoliberalism theory within International Relations?

How did Neoliberalism emerge? What are the barriers to international cooperation? What does Neoliberalism theory argue? How is it different from other theories? How does Neoliberalism study institutions? Please summarize Neoliberalism theory from the “Neoliberalism” article provided by Jennifer Sterling Folker on international relations in regard to the above questions.