Economics is a division of the social sciences that deals with studying and understanding the processes that govern the production, distribution, and consumption of goods and services in an exchange economy.
Two broad areas of economics are macroeconomics and microeconomics. The former of these concentrates on large-scale analyses of financial groups, business, countries, the world, etc. The latter of these focuses on small-scale analyses of individual behaviors and interactions.
To get a broad sense of what economists do, here's the entry for Economists in the U.S. Bureau of Labor Statistics' Occupational Outlook Handbook.
Here are professional organizations and associations that may be of interest to you. Many of them provide free resources, but membership is often required to use all of their services.
Consider joining professional organizations now or in the future, as membership opens opportunities for conferences, networking, and professional development.
If you're using Google to find websites, try including one of the following domains in your search to ensure the most high-quality results.
A search for government websites only involving the term "economic policy" looks like this:
A search for institutions of higher education websites only involving the term "econometrics" looks like this:
In either case, you simply follow your search terms with the word "site," a colon, a period, and the domain you want.
You can also try site:.org and site:.int, but sometimes those sites can still be questionable.
Keep in mind that international higher education sites (for example, those from Canada, the U.K., Australia, etc.) do not use the .edu domain. Instead, try looking for the .ac (academic institutions) domain.