1,720,968 research outputs found
Export-Led growth hypothesis: Evidence from Cote d’Ivoire
Get PDFThis paper re-examine the export-led growth hypothesis for Cote d’Ivoire using the Bounds test analysis: unrestricted error correction model (UECM) for the period 1980-2007. Based on the model, exports, labor force and economic liberalization policies have stimulated economic growth, whereas, imports and exchange rate negatively impacted on economic growth. The results indicate that there exists a long-term relationship between economic growth and its determinants in our model. In addition, the VAR Granger/Block-exogeneity Wald tests reveal an evidence of bi-directional causality between exports and economic growth. Thus findings have important messages for policy makers given that export sector dominance in Cote d’Ivoire economy.Cote d’Ivoire, Economy growth, Cointegration, Causality test, Exports.
Capital Inflows-National Saving Dynamics in Tunisia: Evidence from Cointegration, Weak Exogeneity and Simultaneous Error Correction Modelling
No full textThe negative relationship between capital inflows and savings in less developed countries is an accepted fact in the existing literature. However, this result is based essentially on standard econometrics which ignores the nonstationarity of these two variables. This study investigates the 'direct' and 'indirect' effect of capital inflows on savings in Tunisia using Johansen's multivariate cointegration technique, weak exogeneity test and simultaneous error correction modelling. In the short and long run, the econometric estimates show that capital inflows have a negative effect on domestic savings, which invalidates the Chenery-Strout thesis. Nevertheless, the direction of causality between the aggregates being dealt with still remains a subject of debate. Relying on time-series data of the Tunisian economy, Granger's causality test shows a causal relationship in the long term running from domestic savings to capital inflows. In the short term, however, this paper reveals a two-way causation. [E20, F35, C32, C51]
EXPORTS, EXPORT COMPOSITION AND GROWTH: A SIMULTANEOUS ERROR-CORRECTION MODEL FOR TUNISIA
No full textThe export-economic growth relationship has been dealt with in several empirical studies concerning cross-section and time series data. Although this research has contributed to measure the impact of exports on economic growth, it still has three main drawbacks. First, the studies on cross-section data suppose homogeneous production techniques for the countries involved. Second, most of the research introduces a bias in the estimation of the export impact on economic growth since it neglects all effects of simultaneity between these two variables. Finally, most of the estimated regressions in these studies may constitute 'spurious' regressions since the analysis of the stationarity of the variables is missing. This paper considers the Tunisian case and tries to study the dynamics between growth and exports through a simultaneous error correction model. The study shows the presence of a positive and significant relationship between exports and economic growth driven by manufactured exports rather than food-processing exports and international tourism. The measurement of such a relationship is understated if the simultaneity between export expansion and G.D.P growth is ignored. [C 32, C 51, C 52, F 43]
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
WERE OIL PRICE MARKETS THE SOURCE OF CREDIT CRISIS IN EUROPEAN COUNTRIES? EVIDENCE USING A VAR-MGARCH-DCC MODEL
Get PDFThis paper examines the role of oil prices, credit, financial and commercial linkages in the propagation of industrial market crises during the period 2004-2012. Using VAR-MGARCH-DCC model regressions on seven markets finds that credit linkage played a significant role in the subprime, financial and global crises. Our results also show that the European debt crisis has already spread like a crisis from oil prices to Ireland and Portugal, and other countries are now at risk: Spain is a probable candidate for financial crisis
Multivariate FIGARCH and long memory process: evidence of oil price markets
No full textOil price markets can benefit from a better considerate of how shocks can affect volatility through time. This study assesses the impact of structural changes and outliers on volatility persistence of two crude oil markets WTI and Brent oil price between January 1, 1996 and March 17, 2014. First, we identify the FIGARCH process proposed by Baillie et al. (1996) [Baillie, R.T., Bollerslev, T., & Mikkelsen, H.O., (1996), Fractionally integrated generalized autoregressive conditional heteroscedasticity. Journal of Econometrics, 74, 3-30.] and investigate some of its statistical proprieties and then incorporate this information into the volatility modelling. We also show that outliers can bias the estimation of the persistence of the volatility. Taking into account outliers on the volatility modelling process improve the understanding of volatility in crude oil markets
Transaction Costs and Nonlinear Modelling of Real Exchange Rate Deviations from Purchasing Power Parity: Evidence from the MENA Region
No full textLong range dependency and forecasting of housing price index and mortgage market rate: evidence of subprime crisis
No full textIn this paper, we examine and forecast the House Price Index (HPI) and mortgage market rate in terms of the description of the subprime crisis. We use a semi-parametric local polynomial Whittle estimator proposed by Shimotsu et al. (2005) [Shimotsu, K., & Phillips, P.C.B. (2005), Exact local Whittle estimation of fractional integration. The Annals of Statistics, 33(4), 1890-1933.] in a long memory parameter time series. Empirical investigation of HPI and mortgage market rate shows that these variables are more persistent when the d estimates are found on the Shimotsu method than on the one of Künsch (1987) [Künsch, H.R. (1987). Statistical aspects of self-similar processes. In Y. Prokhorov and V.V. Sazanov (eds.), Proceedings of the First World Congress of the Bernoulli Society, VNU Science Press, Utrecht, 67-74.]. The estimating forecast values are more realistic and they strongly reflect the present US economy actuality in the two series as indicated by the forecast evaluation topics
Purchasing power parity: Evidence of long memory processes and fractional integration
No full textThe Purchasing Power Parity (PPP) theory, which serves as a key to the determination of several models of exchange rates, suggests a long-term relationship between exchange rates and relative prices. It states that the price levels in all the countries are the same when measured in terms of a single currency. The purpose of this study is to model the behavior of the exchange rates of five partner countries of Tunisia, namely, (Germany, the United States, France, Italy, the UK, Morocco and Libya) relative to its fundamentals over the period 1990-1999. Beyond the traditional linear cointegration, we use the approaches based on fractional cointegration. We are trying to discriminate between the adjustment dynamics with long memory (but linear) and a dynamics of a short memory (nonlinear). Given the important role of the exchange rates in the successful experience of open economies, we are interested, in this work, in analyzing the dynamics of the exchange rates in the long run. The econometric results obtained through the GPH tests, make us consider the PPP as an event in the long run if significant short-term deviations from the PPP cannot exist. Therefore, the analysis of the fractional cointegration makes the deviations, regarding equilibrium, follow a slightly integrated process and therefore capture a much wider group of research parity or mean-reverting behavior
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