I have been writing some lecture notes about basic concepts of econometrics for a group of engineers. I would like to use free data sources where I could use without a specific permission but only citing the original paper (or other papers that have also used it) that used it.
I also would like to use representative data from the field. I would like to spend some time exploring the importance of the dataset and in some extent to provide a kind of validation of the available work that uses the dataset. In addition, I want to introduce the concept and provide the econometric exercises, but the students may by their own investigate more about the data (and possible extensions) in the associated papers.
The notes I am writing include most important concepts of econometrics, such as OLS, FGLS, Instrumental Variables, GMM, Panel data (fixed effects, random effects, dynamic panels), and time series (ARMA, ARIMA, VAR, Cointegration).
I have alread find this link about instrumental variables Open access datasets for teaching IV regression. I think they are really good suggestions. Thus, I do not need extra suggestions about this topic.
People usually refer to the amazing Wooldridge datasets, but I understand that I cannot freely use them.
Can you suggest me some sources?