Well I find it also hard to know where to learn about economics and trading but I am willing to know more that's why I I just research it in other websites. And reading about some references here is not enough to make sure that you can get a better idea that's why you should check some articles in different websites to improve your knowledge about Cryptocurrency.
Perhaps you skipped most of the answers following right after OP's question. Bitcoin.org is one of the website which give clues on how to start trading, crypto investment and other relevant information that may see you through successful crypto activities. Such the FAQ section for more related answered questions that may be of help.