Helena Veiga

According to our database, Helena Veiga authored at least 4 papers between 2008 and 2015.

Collaborative distances:

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

2015

Dynamic effects in inefficiency: Evidence from the Colombian banking sector.

Jorge E. Galán, Helena Veiga, Michael P. Wiper

Eur. J. Oper. Res., 2015

2010

Wavelet-based detection of outliers in financial time series.

Aurea Grané, Helena Veiga

Comput. Stat. Data Anal., 2010

2009

A note on the properties of power-transformed returns in long-memory stochastic volatility models with leverage effect.

Ana Pérez, Esther Ruiz, Helena Veiga

Comput. Stat. Data Anal., 2009

2008

Modelling long-memory volatilities with leverage effect: A-LMSV versus FIEGARCH.

Esther Ruiz, Helena Veiga

Comput. Stat. Data Anal., 2008