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127.181  Articles
Con este trabajo se quiere presentar el soporte teórico de los modelos ARCH y GARCH propuestos por Eng82 y Boll86, desarrollando las demostraciones de media y varianza, condicional y no-condicional a partir de los supuestos hechos por Eng82 y finalmente s... see more

The purpose of this paper is to model and forecast volatility of returns for corn futures prices using GARCH models. Non-linear models from the GARCH family, specifically TGARCH and EGARCH are employed to assess the role of asymmetries and to analyze the ... see more

 Risk analysis in the financial market requires the correct evaluation of volatility in terms of both prices and asset returns. Disturbances in quality of information, the economic and political situation and investment speculations cause incredible ... see more

The purpose of this research was to compare the accuracy of Black-Scholes Opt ionModel and GARCH opt ion models for Stock opt ion ut ilizing data f rom Ast ra, BCA, Indofoodand Telkom at the Indonesian Stock Exchange. The intraday stock return of Astra, B... see more

In this paper, we compare semiparametric additive models with GARCH models in terms of their capability to estimate and forecast volatility during crisis periods. Our Monte Carlo studies indicate a better performance for GARCH models when their functional... see more

Forecasting stock market returns volatility is a challenging task that has attracted the attention of market practitioners, regulators and academics in recent years. This paper proposes a Fuzzy GJR-GARCH model to forecast the volatility of S&P 500 and Ibo... see more

En este trabajo se utilizan los modelos ARFIMA y GARCH, así como combinaciones de ellos para detectar algún tipo de memoria en el tipo de cambio nominal USD-MXN y el índice de Precios y Cotizaciones de la Bolsa Mexicana de Valores durante el periodo 1991-... see more

AbstractOrientation: Modelling of international tourist arrivals’ volatility is vital for marketing, planning, policy formulation and investment purposes among others. Symmetric and asymmetric tourism volatility models for years 2000–2017 were fitted... see more

This study sought to model the stock market return volatility at the Nairobi Securities Exchange (NSE) in the presence of structural breaks. Using daily NSE 20 share index for the period 04/01/2010  to  29/12/2017,  the market return volati... see more

AbstractThe purpose of this investigation is to propose a multivariate volatility model that takes into consideration time varying volatility and the property of the a-stable sub-Gaussian distribution to model heavy tails. The principal assumption is that... see more

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