In Physical Cash, South Korea and Export Driven Paradigms By Jason Changkyu Kim. The Author, Jason Changkyu Kim envisions an easier way of looking at things in the common lens and vernacular of Cold War Era International Finance. Which is Reaganomics and the Trickle Down Effect. What does that entail for both Developing and Modern Economies in Age of High Import and Export Tariffs. Jason Changkyu Kim explores the relationship between small capital growth and big business led exports.