Thursday, 6 June 2019

See you soon!

The First Edition of the Brown Bag Seminars - Business & Economics - is ended and the Organizing Committee would really like to thank you all for coming and for sharing with us your research.

Find here a video as a summary of the works presented along this I BBS Edition! 



We look forward to seeing you all in October in the II BBS Edition!

Friday, 31 May 2019

Wonderful Closing Session

This First Edition of the Brown Bag seminars - Business & Economics - closed with a wonderful conference. It was a big pleasure to have Professor Antonio Aznar with us, who presented the work titled “Econometric Model Evaluation: From Fit to Empirical Relevance”. He proposes that a useful econometric model is the one which is able to explain the reality with the help of the logic explanation. What‘s more, it should allow us to explain what happened in the past, what is happening now and to forecast reasonable scenarios.

In this session, the Dean of the School of Economics and Business, José Mariano Moneva, closed the I BBS Edition. As a resume of this I BBS edition, we enjoyed a video summarizing the works presented during the year.

The Organizing Committee of the Brown Bag Seminars - Business & Economics - would really like to thank the presence of the Dean, José Mariano Moneva, of the Professor Antonio Aznar, and, of course, also all the audience for coming and for their comments and suggestions.

We look forward to seeing you all in October in the II BBS Edition.

By the way! Book the date soon to present your work in the next edition!


Here some pictures of the session...

 

 

 


Thursday, 23 May 2019

Closing Session I BBS Edition

The Brown Bag Seminars end this May 29 and it is our pleasure to present Professor Antonio Aznar in our Closing Session. Professor Aznar will talk about “Econometric Model Evaluation: From Fit to Empirical Relevance.”

Professor Aznar shows that in general, an econometric model is accepted after submitting it to several contrasts that allow concluding that the empirical evidence is not contrary to the different null hypotheses considered. But the problem with this approach is that in the process of contrast, decisions which are not regulated a priori must be taken, so that, based on the same evidence, different models can be validated. What is proposed is that, when evaluating an econometric model, the emphasis is changed from the verification of the hypothesis to the measurement of the utility of the model.

The session will be held at the School of Economics and Business, Salon de Actos, Edificio Paraíso -, Zaragoza, next Wednesday 29th of May at 13h30.

Presenting author: Antonio Aznar





About author
The presenting author, Antonio Aznar, studied his degree at the University of Barcelona and held his Ph.D. from the Complutense University of Madrid. He is currently Emeritus Professor of the Faculty of Economics and Business of University of Zaragoza. Antonio has directed 12 doctoral theses, was Dean of the Faculty of Economics and Business of University of Zaragoza and Director of the Department of Economic Analysis of the same university. He has been principal investigator of 8 national projects and 7 regional projects. Account in turn with several publications in books, and publications in high impact journals.

Join us and do not miss the opportunity of listening their communication!

Monday, 20 May 2019

Great 14th Session


We are pleased to thank Manuel Salvador for his interesting presentation about the relationships among Spanish mutual funds, a dynamic leadership relation, using a combination of Bayesian Statistics and graphs tools. Moreover, they determine the factors of a fund’s leadership capacity.

We would also like to thank all the audience for their presence in the seminar and for their comments and suggestions after the presentation.

We look forward to seeing you all in the next Brown Bag Seminar!


Here some pictures of the session...


 

 

 

Wednesday, 8 May 2019

14th Session

Continuing with our wonderful presentations, the organizing committee of the Brown Bag Seminars - Business & Economics - has the pleasure of introducing Manuel Salvador, Pilar Gargallo, Laura Andreu, and José Luis Sarto, and their paper titled: Measuring the dynamic leadership relationships between Spanish mutual funds: a combination of Bayesian and graphs tools.

There are some studies that highlight the superior ability of certain active mutual funds to select stocks. This evidence of value added by certain active managers makes the identification of these skillful managers challenging. In particular, it is interesting to know if there are some fund managers that follow the trades of other managers. In this work, we test the “follow the leader” hypothesis analyzing the dynamic evolution of equity exposures of a set of Spanish mutual fund. To that aim, we establish a methodology for analyzing the leader-follower relationships for pairs of mutual funds based on the CAPM model. The relationships between the risk exposures coefficients for each pair of funds are analyzed by means of a two steps procedure. First, the beta coefficients are estimated following a Bayesian rolling procedure and second the relationship between the beta coefficients is established by a dynamic regression model where the uncertainty of the estimation of the beta coefficients is taking into account. By using concepts of graph theory, we analyze the leadership capacity of a fund as well as the strength of its influence on the rest of the funds. Additionally, the study identifies the determining factors of a fund’s leadership capacity.

The session will be held at the School of Economics and Business, Sala de Reuniones de la Magna - Edificio Paraíso -, Zaragoza, next Friday 17th of May at 13h30.

Presenting author: Manuel Salvador


 About authors
They come from University of Zaragoza (Spain).
The presenting author, Manuel Salvador, is PhD in Mathematics, and Full Professor in Economic Statistics in the area of Economics and Business Studies. His main research interests are: Dynamic models, Bayesian inference, Spatial Statistics, Multivariate Analysis, and applications of Statistics to Economics and Business.

Join us and do not miss the opportunity of listening their communication!

Thursday, 25 April 2019

Really interesting 13th Session

We are pleased to thank Natalia Dejo-Oricain for her interesting presentation about whether collaborative networks affect the export status and intensity of small and medium-sized enterprises (SMEs).

The main results of her research suggest that the decision to export is positively determined by commercial and technological networks stronger than competitors, and by the network foreign commitment; the intensity of internationalization only depends (and positively) on the network´s foreign commitment.

We would also like to thank the audience for their presence in the seminar and for their comments and suggestions after the presentation.

We look forward to seeing you all in the next Brown Bag Seminar, which will be held on 15th of May in the School of Economics and Business!

Here some pictures of the session...

 

 

 


Thursday, 11 April 2019

13th Session

The next BBS Session is going on!

We have the pleasure of introducing Raul Serrano, Natalia Dejo-Oricain, Juan Ferrer, Vicente Pinilla, Silvia Abella, and María Teresa Maza, and their paper titled: The foreign commitment of networks and the internationalization of SMEs.

Their research examines whether collaborative networks affect the export status and intensity of SMEs. They suggest that the network effect is more relevant when the firm belongs to an internationally committed network. The research studies the role of networks with special emphasis on the knowledge of international markets that networks have as a source of opportunities for the internationalization of companies.

The session will be held at the School of Economics and Business, Sala de Reuniones de la Magna – Edificio Paraíso -, Zaragoza, next Wednesday 24th of April at 13h30.


Presenting author: Natalia Dejo-Oricain



About authors
They come from University of Zaragoza (Spain).
The presenting author, Natalia Dejo-Oricain, studied Economics at the Universidad Complutense de Madrid and held her Ph. D. in Economics from the University of Zaragoza.  At present, she teaches in the Department of Business Administration at the Faculty of Economics. She is member of the COMPETE research group and her research interests are focused on the export behaviour of SMEs; the role of networks in the internationalisation process of the firm, and the internationalisation of family firms.

Join us and do not miss the opportunity of listening his communication!