Funding for this research was provided by:
2020 Italian project “Trade-off between Number of Examples and Precision in Variations of the Fixed-Effects Panel Data Model”, funded by INdAM-GNAMPA
Scuola IMT Alti Studi Lucca
Article History
Received: 9 June 2020
Revised: 15 January 2021
Accepted: 5 April 2021
First Online: 8 June 2021
Declarations
:
: The authors declare that they have no conflicts of interest/competing interests.