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This paper develops the theoretical background for the Limited Information Bayesian Model Averaging (LIBMA). The proposed approach accounts for model uncertainty by averaging over all possible combinations of predictors when making inferences about the variables of interest, and it simultaneously addresses the biases associated with endogenous and omitted variables by incorporating a panel data systems Generalized Method of Moments estimator. Practical applications of the developed methodology are discussed, including testing for the robustness of explanatory variables in the analyses of the determinants of economic growth and poverty.
Bayesian statistical decision theory. --- Uncertainty --- Reasoning --- Bayes' solution --- Bayesian analysis --- Statistical decision --- Econometric models. --- Econometrics --- Agribusiness --- Estimation --- Bayesian Analysis: General --- Agricultural Markets and Marketing --- Cooperatives --- Econometrics & economic statistics --- Bayesian inference --- Agriculture, agribusiness & food production industries --- Estimation techniques --- Bayesian models --- Agroindustries --- Econometric models --- Agricultural industries
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This paper attempts to identify robust patterns of cross-country growth behavior in the world as a whole and Africa. It employs a novel methodology that incorporates a dynamic panel estimator, and Bayesian Model Averaging to explicitly account for model uncertainty. The findings indicate that: (i) in addition to initial conditions, various economic factors such as higher investment, lower inflation, lower government consumption, better fiscal stance, improved political environment, exogenous terms-of-trade shocks, and fixed geographical factors are robustly correlated with growth; (ii) what is good for growth around the world is, in principle, also good for growth in Africa; and (iii) political and institutional variables are particularly important in explaining African growth.
Africa -- Economic conditions -- Econometric models. --- Africa -- Economic policy -- Econometric models. --- Economic development -- Econometric models. --- Electronic books. -- local. --- Exports and Imports --- Macroeconomics --- Demography --- Bayesian Analysis: General --- Multiple or Simultaneous Equation Models: Models with Panel Data --- Aggregate Factor Income Distribution --- Macroeconomics: Consumption --- Saving --- Wealth --- International Lending and Debt Problems --- Demographic Trends, Macroeconomic Effects, and Forecasts --- Labor Economics: General --- International economics --- Population & migration geography --- Labour --- income economics --- Income --- Government consumption --- Debt service --- Population growth --- Labor --- National accounts --- External debt --- Population and demographics --- Consumption --- Economics --- Population --- Labor economics --- India
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This paper examines the role of the exchange rate regime in explaining how emerging market economies fared in the recent global financial crisis, particularly in terms of output losses and growth resilience. After controlling for regime switches during the crisis, using alternative definitions for pegs, and taking account of other likely determinants, we find that the growth performance for pegs was not different from that of floats during the crisis. For the recovery period 2010-11, pegs appear to be faring worse, with growth recovering more slowly than floats. These results suggest an asymmetric effect of the regime during and recovering from the crisis. We also find that proxies of the trade and financial channels are important determinants of growth performance during the crisis, while only the trade channel appears important for the recovery thus far.
Foreign exchange rates --- Foreign exchange --- Exports and Imports --- Foreign Exchange --- Empirical Studies of Trade --- Currency --- International economics --- Exchange rate arrangements --- Conventional peg --- Crawling peg --- Terms of trade --- Exchange rate flexibility --- Economic policy --- nternational cooperation --- United States
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Applying commonly used vector autoregression (VAR) techniques, this paper investigates the transmission mechanism of monetary policy on output and prices for Mauritius, using data for 1999-2009. The results show that (i) an unexpected monetary policy tightening-an increase in the Bank of Mauritius policy interest rate-leads to a decline in prices and output but the effect on output is weaker; (ii) an unexpected decrease in the money supply or an unexpected increase in the nominal effective exchange rate result in a decrease in prices; and (iii) variations of the policy variables account for small a percentage of the fluctuations in output and prices. Taken together, these results suggest a rather weak monetary policy transmission mechanism. Finally, we find some differences in the transmission mechanism depending on whether core or headline consumer price index is used in the estimations.
Transmission mechanism (Monetary policy) --- Monetary policy --- Monetary management --- Economic policy --- Currency boards --- Money supply --- Monetary transmission mechanism --- Banks and Banking --- Foreign Exchange --- Inflation --- Macroeconomics --- Money and Monetary Policy --- Price Level --- Deflation --- Interest Rates: Determination, Term Structure, and Effects --- Monetary Policy, Central Banking, and the Supply of Money and Credit: General --- Currency --- Foreign exchange --- Banking --- Monetary economics --- Nominal effective exchange rate --- Consumer price indexes --- Repo rates --- Monetary base --- Price indexes --- Prices --- Interest rates --- Mauritius
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This paper reviews the evolution of competitiveness in the CFA franc zone using a proposed comprehensive competitiveness framework. In particular, we examine competitiveness in the WAEMU and CEMAC regions by analyzing the "environment" and "policy" components of competitiveness and their quantifiable determinants, including indicators to measure productivity and labor market conditions, prices and costs, macroeconomic performance, business environment, governance, and technology and infrastructure. Our findings suggest that despite some recent improvements-particularly for the CEMAC-both regions face serious competitiveness challenges when compared to pier groups of countries. In order to become more competitive, raise growth, and improve the quality of life, there is a need for structural reform to improve productivity, reduce factor costs, and create the right business, legal, and political environment to attract economic activity.
Exports and Imports --- Finance: General --- Foreign Exchange --- General Financial Markets: General (includes Measurement and Data) --- Trade: General --- Currency --- Foreign exchange --- Finance --- International economics --- Real effective exchange rates --- Competition --- Exports --- Exchange rates --- Real exchange rates --- Côte d'Ivoire
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This paper provides an update on the main elements of the reform agenda concerning the CEMAC trade regime as well as a tentative quantitative assessment of selected effects on tariff revenues and trade patterns. Notwithstanding data limitations, the key messages from the analysis are as follows. First, there is a need for a renewed political commitment to regional integration. In addition, key measures for improving compliance with the requirements for a customs union need to be introduced, including limiting tariff exemptions, phasing out remaining surcharges, strengthening the determination of products' country origin, and enhancing customs administration. There is also a need to improve transportation infrastructure and organization. Finally, there is a strong case for tariff reduction, with or without an EPA. Trade liberalization would help boost economic growth and poverty alleviation and limit risks of trade diversion with an EPA. Tariff reform should be complemented by improvements in domestic revenue mobilization.
Exports and Imports --- Taxation --- Trade: General --- Trade Policy --- International Trade Organizations --- International economics --- Public finance & taxation --- Tariffs --- Imports --- Exports --- Trade liberalization --- Trade policy --- Tariff --- Commercial policy --- Cameroon
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This paper examines the impact of exchange rate regimes on bilateral trade while differentiating the effects of "words" and "deeds". Our findings-based on an extended database for de jure and de facto exchange rate classifications-show that while fixed exchange rate regimes increase trade, there is no systematic difference in the effects of policy announcements versus actions to maintain exchange rate stability. The trade generating effect of more stable exchange rate regimes is however more pronounced when words and actions are aligned, both in the short and long-run. Policy credibility therefore plays an important role in determining the effects of de jure and de facto exchange rate arrangements such that deviations between the two could be costly. In addition, we find evidence that (i) the impact of hard pegs such as currency unions is broadly similar to that of conventional pegs; (ii) the currency union and direct peg effects evolve over time; and (iii) the effects of more stable regimes are heterogeneous across country groups.
Convergence (Economics). --- Devaluation of currency. --- Foreign exchange rates. --- Monetary policy. --- Monetary management --- Economic policy --- Currency boards --- Money supply --- Exchange rates --- Fixed exchange rates --- Flexible exchange rates --- Floating exchange rates --- Fluctuating exchange rates --- Foreign exchange --- Rates of exchange --- Currency devaluation --- Money --- Currency question --- Monetary policy --- Economic convergence --- Economics --- Rates --- Devaluation --- Exports and Imports --- Foreign Exchange --- Trade Policy --- International Trade Organizations --- Financial Aspects of Economic Integration --- Currency --- International economics --- Exchange rate arrangements --- Plurilateral trade --- Conventional peg --- Monetary unions --- International trade --- United States
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This paper revisits the cross-country growth empirics debate using a novel Limited Information Bayesian Model Averaging framework to address model uncertainty in the context of a dynamic growth model in panel data with endogenous regressors. Our empirical findings suggest that once model uncertainty is accounted for there is strong evidence that initial income, investment, life expectancy, and population growth are robustly correlated with economic growth. We also find evidence that debt, openness, and inflation are robust growth determinants. Overall, the set of our robust growth determinants differs from those identified by other studies that incorporate model uncertainty, but ignore dynamics and/or endogeneity. This underscores the importance of accounting for model uncertainty and endogeneity in the investigation of growth determinants.
Exports and Imports --- Inflation --- Macroeconomics --- Demography --- Demographic Trends, Macroeconomic Effects, and Forecasts --- Health: General --- Personal Income, Wealth, and Their Distributions --- Empirical Studies of Trade --- Price Level --- Deflation --- Population & migration geography --- Health economics --- International economics --- Population growth --- Health --- Personal income --- Terms of trade --- Population --- Income --- Economic policy --- nternational cooperation --- Prices
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Bayesian Model Averaging (BMA) provides a coherent mechanism to address the problem of model uncertainty. In this paper we extend the BMA framework to panel data models where the lagged dependent variable as well as endogenous variables appear as regressors. We propose a Limited Information Bayesian Model Averaging (LIBMA) methodology and then test it using simulated data. Simulation results suggest that asymptotically our methodology performs well both in Bayesian model selection and averaging. In particular, LIBMA recovers the data generating process very well, with high posterior inclusion probabilities for all the relevant regressors, and parameter estimates very close to the true values. These findings suggest that our methodology is well suited for inference in dynamic panel data models with short time periods in the presence of endogenous regressors under model uncertainty.
Social Sciences --- Social Sciences - General --- Panel analysis. --- Bayesian statistical decision theory. --- Bayes' solution --- Bayesian analysis --- Panel studies --- Statistical decision --- Social sciences --- Statistics --- Methodology --- Econometrics --- Data Processing --- Bayesian Analysis: General --- Estimation --- Data Collection and Data Estimation Methodology --- Computer Programs: General --- Bayesian inference --- Econometrics & economic statistics --- Data capture & analysis --- Bayesian models --- Estimation techniques --- Data processing --- Econometric models --- Electronic data processing
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Applying techniques of clustering analysis to a set of variables suggested by the convergence criteria and the theory of optimal currency areas, this paper looks for country homogeneities to assess membership in the existing and proposed monetary unions of the broader west African region. Our analysis reveals considerable dissimilarities in the economic characteristics of the countries in west and central Africa. In particular, the West African Monetary Zone (WAMZ) countries do not form a cluster with the West Africa Economic and Monetary Union (WAEMU) countries; and, within the WAMZ, there is a significant lack of homogeneity. Furthermore, when west and central African countries are considered together, we find significant heterogeneities within the CFA franc zone, and some interesting similarities between the Economic and Monetary Community of Central Africa (CEMAC) and WAMZ countries. Overall, our findings raise some questions about the geographical boundaries of several existing and proposed monetary unions.
Electronic books. -- local. --- Monetary unions -- Africa, West -- Econometric models. --- Money -- Africa, West. --- Finance --- Business & Economics --- International Finance --- Monetary unions --- Money --- Econometric models. --- Currency --- Monetary question --- Money, Primitive --- Specie --- Standard of value --- Common currencies --- Currency areas --- Currency unions --- Optimum currency areas --- Exchange --- Value --- Banks and banking --- Coinage --- Currency question --- Gold --- Silver --- Silver question --- Wealth --- Exports and Imports --- Foreign Exchange --- Macroeconomics --- Financial Aspects of Economic Integration --- Empirical Studies of Trade --- Prices, Business Fluctuations, and Cycles: General (includes Measurement and Data) --- International economics --- Foreign exchange --- Economic growth --- Terms of trade --- Exchange rates --- Real exchange rates --- Business cycles --- Economic policy --- nternational cooperation --- Nigeria
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