• Bad company. The indirect effect of differences in corporate governance in the pension plan industry 

      Abinzano Guillén, María Isabel Upna; Muga Caperos, Luis Fernando Upna; Santamaría Aquilué, Rafael Upna (Elsevier, 2017)   Artículo / Artikulua
      This paper analyses the role played by pension plan governance structure and how it impacts on plan fees and plan performance. The results clearly show that fees decrease significantly and performance improves when pension ...
    • Behavioral biases never walk alone: an empirical analysis of the effect of overconfidence on probabilities 

      Abinzano Guillén, María Isabel Upna; Muga Caperos, Luis Fernando Upna; Santamaría Aquilué, Rafael Upna (SAGE, 2014)   Artículo / Artikulua  OpenAccess
      This paper presents evidence of the impact of overconfidence bias in asset prices drawn from a study based on data from tennis betting exchanges. A series of betting strategies in tournaments with a clear-cut favourite are ...
    • Does default probability matter in Latin American emerging markets? 

      Abinzano Guillén, María Isabel Upna; Muga Caperos, Luis Fernando Upna; Santamaría Aquilué, Rafael Upna (Taylor & Francis, 2014)   Artículo / Artikulua  OpenAccess
      We analyse the impact of default probability in four leading Latin American stock markets (Argentina, Brazil, Chile and Mexico). We find no positive default risk premium except in the case of Brazil, and in fact find a ...
    • Does default probability matter in Latin American emerging markets? 

      Abinzano Guillén, María Isabel Upna; Muga Caperos, Luis Fernando Upna; Santamaría Aquilué, Rafael Upna (Taylor & Francis, 2013)   Artículo / Artikulua  OpenAccess
      We analyse the impact of default probability in four leading Latin American stock markets (Argentina, Brazil, Chile and Mexico). We find no positive default risk premium except in the case of Brazil, and in fact find a ...
    • Game, set and match: the favorite long-shot bias in tennis betting exchanges 

      Abinzano Guillén, María Isabel Upna; Muga Caperos, Luis Fernando Upna; Santamaría Aquilué, Rafael Upna (Taylor & Francis, 2016)   Artículo / Artikulua  OpenAccess
      We test for the existence of Favorite-Longshot Bias (FLB) in tennis betting exchanges. Despite these being order-driven markets, with no direct participation from bookmakers, we have found very similar results to those ...
    • Hidden power of trading activity: the FLB in tennis betting exchanges 

      Abinzano Guillén, María Isabel Upna; Muga Caperos, Luis Fernando Upna; Santamaría Aquilué, Rafael Upna (SAGE Publications, 2017)   Artículo / Artikulua  OpenAccess
      This paper examines the impact of trading activity on the Favourite-Longshot Bias (FLB) in tennis Betting Exchanges, using direct measures such as betting volume, average bet and standard deviation of the odds. According ...
    • Is default risk the hidden factor in momentum returns? Some empirical results 

      Abinzano Guillén, María Isabel Upna; Muga Caperos, Luis Fernando Upna; Santamaría Aquilué, Rafael Upna (Wiley, 2014)   Artículo / Artikulua  OpenAccess
      This paper analyzes the role of default risk in the momentum effect focusing on data from four developed European stock markets (France, Germany, Spain and the United Kingdom). Using a market-based measure of default risk, ...
    • Pricing levered warrants with dilution using observable variables 

      Abinzano Guillén, María Isabel Upna; Navas, Javier F. (Taylor & Francis, 2013)   Artículo / Artikulua  OpenAccess
      We propose a valuation framework for pricing European call warrants on the issuer's own stock that allows for debt in the issuer firm. In contrast to other works which also price warrants with dilution issued by levered ...
    • The role of investor type in the fee structures of pension plans 

      Abinzano Guillén, María Isabel Upna; Muga Caperos, Luis Fernando Upna; Santamaría Aquilué, Rafael Upna (Springer, 2016)   Artículo / Artikulua  OpenAccess
      We examine the role of the investor type in the fee structure of pension plans. Our examination uses a data set of employer-sponsored and individual private pension funds in Spain. We find different determinants of the ...