What's a good cause and effect topic for an economic research project?

This is for my Econ 145 ( research methods ) class. Just trying to get some new ideas. Thanks

What's a good cause and effect topic for an economic research project?
Socialized medicine. With socialized medicine in any form there becomes more demand for medicine and medical services. With more demand, the price goes up. When government tries to interfere again to cap prices, the quality of medical care goes down.





Rebuttal to Ideogenetic's answer below:


Medicine is like a normal good. (Checkups, doctor visits and emergency room visits, etc.) An example: My mom is a nurse. She once told me a story of a teenage stay at home welfare mommy calling an ambulance 19 times in one week! The welfare mommy didn't pay a dime for every ambulance trip. We did! When my stomach hurts or I have the flu, I just deal with it, because I don't want to pay the copay and I always just get better. My copay is high anyway, because of people like that welfare mommy abusing the system.
Reply:The elasticity of demand for medical care is almost perfectly inelastic (no matter what the cost is, the demand doesn't change because medical care is not a normal good).





Simple thought experiment:


Sign in cardio-vascular surgeon's window reads-


This Week Only, Buy One Heart Bypass Surgery, Get One Free [Limit: Four]!





How many folks would take advantage of the special?





That's right- ZERO!
Reply:There are two universal laws. They apply to evry manifestation of the lord: the matter, the energy, the wealth and the soul. They are Law of Conservation and Law of Equilibrium. One's life time is too short to understand the applications of these two laws. Law of Conservation is the CAUSE and Law of Equilibrium is the EFFECT. Double entry bookkkeeping, Law of Diminishing marginal utility, quantity Theory etc are just a limited versions of these two laws. You have to understand how these laws operate in matter nad energy as well.
Reply:You could do a paper on the effect on the economy when you take illegal immigrants out of their jobs here and deport them back to their country.
Reply:Cause: Fed's easing of interest rates.





Effect: the value of the dollar went down across the world.