Access Statistics for Helena Veiga

Author contact details at EconPapers.

Working Paper File Downloads Abstract Views
Last month 3 months 12 months Total Last month 3 months 12 months Total
A Bootstrap Approach for Generalized Autocontour Testing 0 0 0 49 3 4 7 69
A Bootstrap Approach for Generalized Autocontour Testing. Implications for VIX Forecast Densities 0 0 0 56 3 4 5 84
A two factor long memory stochastic volatility model 0 0 1 381 0 0 3 955
Adaptative predictability of stock market returns 0 0 0 47 3 4 6 64
Aggregation and Dissemination of Information in Experimental Asset Markets in the Presence of a Manipulator 0 0 0 2 2 2 4 44
Aggregation and dissemination of information in experimental asset markets in the presence of a manipulator 0 0 0 36 0 0 0 224
An analysis of the dynamics of efficiency of mutual funds 0 0 1 37 0 1 2 121
An experimental analysis of contagion in financial markets 0 0 1 13 2 2 7 65
Are One Factor Logarithmic Volatility Models Useful to Fit the Features of Financial Data? An Application to Microsoft Data 0 0 0 126 0 0 2 548
Are feedback factors important in modelling financial data? 0 0 0 45 0 0 0 246
Asymmetric effects of oil price fluctuations in international stock markets 0 0 0 221 2 2 2 839
Asymmetric long-run effects in the oil industry 0 0 0 42 0 0 1 123
Bayesian Estimation of Inefficiency Heterogeneity in Stochastic Frontier Models 0 0 0 8 0 1 4 44
Bayesian analysis of dynamic effects in inefficiency: evidence from the Colombian banking sector 0 0 0 50 3 4 5 134
Bayesian estimation of inefficiency heterogeneity in stochastic frontier models 0 0 0 116 0 1 1 281
Correlations between oil and stock markets: a wavelet-based approach 0 0 1 179 0 1 4 642
Data cloning estimation for asymmetric stochastic volatility models 0 0 1 58 2 2 5 61
Efficiency evaluation of Spanish hotel chains 0 0 0 29 1 1 3 67
Exploring option pricing and hedging via volatility asymmetry 0 0 0 13 0 0 1 67
Forecasting Volatility Using A Continuous Time Model 0 0 0 287 0 1 3 561
Forecasting volatility: does continuous time do better than discrete time? 0 0 0 94 2 2 4 230
Integrated nested Laplace approximations for threshold stochastic volatility models 0 0 0 50 1 2 5 87
Investigating the impact of consumption distribution on CRRA estimation: QuantileCCAPM-based approach 0 0 2 9 2 2 5 15
Model uncertainty and the forecast accuracy of ARMA models: A survey 0 0 1 141 1 2 6 288
Modeling and forecasting the oil volatility index 0 0 1 66 1 1 6 103
Modelling long-memory volatilities with leverage effect: ALMSV versus FIEGARCH 0 0 0 386 1 2 3 1,012
On the relationship of country geopolitical risk on energy inflation 0 0 3 3 2 7 16 16
One for all: nesting asymmetric stochastic volatility models 0 0 0 80 0 1 1 168
Outliers in Garch models and the estimation of risk measures 0 0 0 201 0 4 4 567
Outliers in multivariate Garch models 0 0 2 85 0 0 2 129
Parametric and semiparametric estimation of sample selection models: an empirical application to the female labour force in Portugal 0 0 0 211 1 1 3 513
Predictability of stock market activity using Google search queries 0 0 0 437 0 2 9 1,252
Price manipulation in an experimental asset market 0 0 0 43 0 0 1 242
Reexamining financial and economic predictability with new estimators of realized variance and variance risk premium 0 0 0 34 1 5 6 85
Risk factors in oil and gas industry returns: international evidence 0 0 0 380 1 1 3 1,672
Score driven asymmetric stochastic volatility models 0 0 0 207 6 7 8 132
The Effect of Short–Selling on the Aggregation of Information in an Experimental Asset Market 0 0 0 41 2 2 3 156
The effect of realised volatility on stock returns risk estimates 0 0 0 92 1 3 3 251
The effect of short-selling of the aggregation of information in an experimental asset market 0 0 0 64 0 0 0 218
The sign of asymmetry and the Taylor Effect in stochastic volatility models 0 0 0 96 0 1 1 347
Valuation in the energy sector: Fundamentals or bubbles? 0 0 0 16 3 4 8 50
Volatility forecasts: a continuous time model versus discrete time models 0 0 0 216 3 3 5 680
Volatility modelling and accurate minimun capital risk requirements: a comparison among several approaches 0 0 0 60 0 1 2 152
Wavelet-based detection of outliers in volatility models 0 0 0 234 0 4 6 601
Total Working Papers 0 0 14 5,041 49 87 175 14,205


Journal Article File Downloads Abstract Views
Last month 3 months 12 months Total Last month 3 months 12 months Total
A bootstrap approach for generalized Autocontour testing Implications for VIX forecast densities 0 0 0 2 0 0 2 10
A note on the properties of power-transformed returns in long-memory stochastic volatility models with leverage effect 0 0 0 18 1 2 3 60
Accurate minimum capital risk requirements: A comparison of several approaches 0 0 0 39 1 4 5 135
An experimental analysis of contagion in financial markets 0 0 0 0 1 3 6 6
Are Feedback Factors Important in Modeling Financial Data? 0 0 0 13 0 2 3 135
Asymmetric stochastic volatility models: Properties and particle filter-based simulated maximum likelihood estimation 0 0 0 10 4 6 8 35
Asymmetry, realised volatility and stock return risk estimates 0 0 0 12 0 0 2 74
Bayesian estimation of inefficiency heterogeneity in stochastic frontier models 0 0 0 34 1 2 2 94
Correlations between oil and stock markets: A wavelet-based approach 0 0 0 12 1 4 6 92
Data cloning estimation for asymmetric stochastic volatility models 0 0 0 2 3 3 6 18
Do investors price industry risk? Evidence from the cross-section of the oil industry 0 0 0 0 0 0 1 1
Dynamic effects in inefficiency: Evidence from the Colombian banking sector 0 0 0 17 2 5 6 183
Editors’ note 0 0 0 1 1 1 2 5
Efficiency evaluation of hotel chains: a Spanish case study 0 0 0 7 5 6 6 62
Exploring Option Pricing and Hedging via Volatility Asymmetry 0 0 0 1 0 2 4 11
Financial Stylized Facts and the Taylor-Effect in Stochastic Volatility Models 0 0 1 136 0 2 8 594
Information aggregation in experimental asset markets in the presence of a manipulator 0 0 0 26 1 1 3 82
Integrated nested Laplace approximations for threshold stochastic volatility models 0 0 2 13 1 1 7 37
Investigating the Impact of Consumption Distribution on CRRA Estimation: Quantile-CCAPM-Based Approach 0 1 3 3 2 3 12 12
Limited attention, salience of information and stock market activity 0 0 0 17 1 5 13 83
Modeling and forecasting the oil volatility index 0 0 0 2 0 0 1 16
Modelling long-memory volatilities with leverage effect: A-LMSV versus FIEGARCH 0 0 0 62 4 4 4 229
Oil price asymmetric effects: Answering the puzzle in international stock markets 0 0 0 51 1 2 6 233
Price manipulation in an experimental asset market 0 0 0 49 0 1 4 238
Risk factors in oil and gas industry returns: International evidence 0 0 1 150 5 9 16 721
Threshold stochastic volatility: Properties and forecasting 0 0 0 19 0 1 5 59
UNCERTAINTY AND DENSITY FORECASTS OF ARMA MODELS: COMPARISON OF ASYMPTOTIC, BAYESIAN, AND BOOTSTRAP PROCEDURES 0 2 2 8 0 4 5 43
Wavelet-based detection of outliers in financial time series 0 0 1 137 1 5 7 374
Total Journal Articles 0 3 10 841 36 78 153 3,642


Statistics updated 2025-12-06