Search found 2 matches
- Sat Jul 28, 2012 2:39 pm
- Forum: Econometric Discussions
- Topic: Is my sample random?
- Replies: 0
- Views: 1927
Is my sample random?
I collect my data from a database of firm´s financial information. When selecting my firms I impose a set of criteria (industry, a minimum value of total assets, etc.). I have a large sample, but is my sample random? If not, can I make inferences for the population or I must do any test? Sorry if th...
- Sat Jul 28, 2012 2:11 pm
- Forum: Econometric Discussions
- Topic: Panel data
- Replies: 3
- Views: 5303
Re: Panel data
Are you sure you can´t use the Haussman test in unbalanced panels?
I think you can´t use the Haussman test if the panel has gap´s. So you should introduce NA when some year or individual has not information for some variable.
Please anyone correct me if I'm wrong.
I think you can´t use the Haussman test if the panel has gap´s. So you should introduce NA when some year or individual has not information for some variable.
Please anyone correct me if I'm wrong.