There are a variety of Interesting economics research topics for college students. There are many interesting topics to choose from, including the U.K. stock market or environmental regulations. Other interesting economics research topics for college students may focus on waste management and ocean pollution. Other potential topics for undergraduates include reducing costs in a natural disaster scenario. For example, you can look at how the reduction of greenhouse gases and global warming affects economic growth in the US and EU. Another topic to consider is whether or not fossil fuels are a rare resource and whether they affect the economy.