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Una propuesta de reforma del sistema de pensiones español basada en un modelo de contribución definida nocional

Valero, Diego; Artís, Manuel; Ayuso, Mercedes; … - In: Revista de métodos cuantitativos para la economía y … 11 (2011), pp. 91-113

The western pension systems and especially the Spanish one will noticeably be a®ected by an aging of the population that is currently underway. This work proposes a pension model for Spain which would mean deep structural reforms that would guarantee meeting the objectives established by a...

Persistent link: https://www.econbiz.de/10009957384

A time-varying parameter vector autoregression model for forecasting emerging market exchange rates

Kumar, Manish - In: International journal of economic sciences and applied … 3 (2010) 2, pp. 21-39

In this study, a vector autoregression (VAR) model with time-varying parameters (TVP) to predict the daily Indian rupee (INR)/US dollar (USD) exchange rates for the Indian economy is developed. The method is based on characterization of the TVP as an optimal control problem. The methodology is a...

Persistent link: https://www.econbiz.de/10009958060

Residual Grey Markov model for the developments of GDP, population and energy consumption in Iran

Mostafaei, Hamidreza; Kordnoori, Shaghayegh - In: Advances in management & applied economics 1 (2011) 2, pp. 93-105

Grey system theory can powerfully deal with incomplete and uncertain information. In this paper, we introduced an improved grey GM(1,1) model that integrates residual modification with Markov chain model. By this model, we improved the forecast accuracy of original grey forecast model and...

Persistent link: https://www.econbiz.de/10009958471

On the importance of the arrival of new information

Chumacero, Rómulo A. - In: Estudios de economía 37 (2010) 2, pp. 207-215

, estimation, and decision making. By fusing known and recently developed statistical tests and concepts, the paper provides …

Persistent link: https://www.econbiz.de/10009959113

Company valuation : how to deal with a range of values?

Patena, Wiktor - In: E-Finanse : finansowy kwartalnik internetowy 7 (2011) 3, pp. 75-84

Company valuation is not done after having generated a few values being a result of applying different valuation methods. In many cases institutions ordering the valuation request a value which can be an equivalent of a market, transactional value. Often the one method (and the valuation...

Persistent link: https://www.econbiz.de/10009959718

Forecasting SET50 index with multiple regression based on principal component analysis

Sopipan, N.; Kanjanavajee, W.; Sattayatham, P. - In: Journal of applied finance & banking 2 (2012) 3, pp. 271-294

In this paper, we forecast SET50 Index (The stock prices of the top 50 listed companies on SET (Stock Exchange of Thailand) by using multiple regression. At the same time, we examine/ consider/describe? the existence of a high correlation (the multicolinearity problem) between the explanatory...

Persistent link: https://www.econbiz.de/10010009125

Sources of inflation in developing countries : evidence from some West African countries

Oladipo, Olajide S.; Ntoko, Alfred; Forrester, Wayne - In: Advances in management & applied economics 3 (2013) 2, pp. 83-102

The paper examines the determinants of inflation in some West African countries. Using the Johansen technique and time series between 1970q1 and 2010q4 the study determines whether inflation in these African countries is mainly imported (via import prices and exchange rate movements) or...

Persistent link: https://www.econbiz.de/10010097696

Using ants to detect fraudulent financial statements

Katsis, Christos D.; Goletsis, Yorgos; Boufounou, … - In: Journal of applied finance & banking 2 (2012) 6, pp. 73-81

Fraudulent financial reporting is a matter of great social and economic concern. Managers may distort financial statements so as to present their companies more favorably to investors or creditors. On the other hand, auditors are the ones who are expected to identify fraudulent financial...

Persistent link: https://www.econbiz.de/10010118423

Volatility modeling for forecasting stock index with fixed parameter distributional assumption

Rahman, Md. Mostafizur; Rahman, Md. Azizur; Hossain, … - In: Journal of applied finance & banking 3 (2013) 1, pp. 109-122

2150 observations is used for empirical analysis. We consider first 1950 observations for in sample estimation and last 200 … parameter 1.5 of GED density fail to improve the in sample estimation performance compared to student-t and GED distributional … assumption. Among all of these models, APARCH model with student-t density give better in sample estimation results. In case of …

Persistent link: https://www.econbiz.de/10010118432

Seasonal adjustment versus seasonality modelling : effect on tourism demand forecasting

Gasmi, Amira - In: Advances in management & applied economics 3 (2013) 4, pp. 119-132

In this study, we treat the seasonal variation in monthly time series in the context of the Western-European tourism demand for Tunisia, by presenting different techniques of detection of seasonality and the parametric and non-parametric approaches of seasonal adjustment. Then, we compare the...

Persistent link: https://www.econbiz.de/10010148054