Efthymia Symitsi

According to our database, Efthymia Symitsi authored at least 3 papers between 2021 and 2022.

Collaborative distances:

• Dijkstra number of six.
• Erdős number of five.

2022

Keyword portfolio optimization in paid search advertising.

Efthymia Symitsi, Raphael N. Markellos, Murali K. Mantrala

Eur. J. Oper. Res., 2022

2021

Employee sentiment index: Predicting stock returns with online employee data.

Efthymia Symitsi, Panagiotis Stamolampros

Expert Syst. Appl., 2021

The informational value of employee online reviews.

Efthymia Symitsi, Panagiotis Stamolampros, George Daskalakis, Nikolaos Korfiatis

Eur. J. Oper. Res., 2021