Do not intervene
Yes, do intervene
Define what you mean by "natural economic activity."
I would submit to you that throughout human history, several economic models have been applied to various civilizations and, in fact, even our American brand of capitalism continues to evolve with each generation.
Rather than be passively prescribed to my fate, I choose to understand the system we live in and to seek ways to continually improve it.
Help fight Zika, TB, HIV/AIDs and water pollution by donating your CPU's excess processing time to computing-based scientific research.