While cartels are generally illegal in the US, Congress in 1918 passed a law that allows American firms to form export cartels that collude specifically on products exported out of the US. Discuss whether each of the following features will make export cartels easier or more difficult to form.
a. A market where American exporters have a large market share
b. An industry that is capital-intensive
c. A market with highly differentiated products
d. An industry that is enjoying strong growth in exports