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In 'Exterior Differential Systems', the authors present the results of their ongoing development of a theory of the geometry of differential equations, focusing especially on Lagrangians and Poincare-Cartan forms. They also cover certain aspects of the theory of exterior differential systems, which provides the language and techniques for the entire study. Because it plays a central role in uncovering geometric properties of differential equations, the method of equivalence is particularly emphasized. In addition, the authors discuss conformally invariant systems at length, including results on the classification and application of symmetries and conservation laws. The book also covers the Second Variation, Euler-Lagrange PDE systems, and higher-order conservation laws. This timely synthesis of partial differential equations and differential geometry will be of fundamental importance to both students and experienced researchers working in geometric analysis.

Exterior differential systems. --- Lagrange equations.

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This book is intended for researchers and graduate students of econometrics.

Quantitative methods (economics) --- Econometrics --- Panel analysis --- 330.115 --- AA / International- internationaal --- 305.970 --- -330.015195 --- Panel studies --- Social sciences --- Statistics --- Econometrie --- Algemeenheden: Autoregression and moving average representation. ARIMA. ARMAX. Lagrange multiplier. Wald. Function (mis) specification. Autocorrelation. Homoscedasticity. Heteroscedasticity. ARCH. GARCH. Integration and co-integration. Unit roots. --- Econometric models --- Methodology --- Econometrics. --- Panel analysis. --- 330.115 Econometrie --- 330.015195 --- Economics, Mathematical --- Algemeenheden: Autoregression and moving average representation. ARIMA. ARMAX. Lagrange multiplier. Wald. Function (mis) specification. Autocorrelation. Homoscedasticity. Heteroscedasticity. ARCH. GARCH. Integration and co-integration. Unit roots --- Econometría --- Modelos econométricos --- Análisis funcional --- Models economètrics

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Gujarati's Basic Econometrics provides an elementary but comprehensive introduction to econometrics without resorting to matrix algebra, calculus, or statistics beyond the elementary level. Because of the way the book is organized, it may be used at a variety of levels of rigor. A CD of data sets is provided with the text.

AA / International- internationaal --- 303.0 --- 305.970 --- 303.8 --- 305.971 --- 303.5 --- 305.0 --- Statistische technieken in econometrie. Wiskundige statistiek (algemene werken en handboeken). --- Algemeenheden: Autoregression and moving average representation. ARIMA. ARMAX. Lagrange multiplier. Wald. Function (mis) specification. Autocorrelation. Homoscedasticity. Heteroscedasticity. ARCH. GARCH. Integration and co-integration. Unit roots. --- Econometrische behandeling van een onderwerp. --- Speciale gevallen in econometrische modelbouw. --- Theorie van correlatie en regressie. (OLS, adjusted LS, weighted LS, restricted LS, GLS, SLS, LIML, FIML, maximum likelihood). Parametric and non-parametric methods and theory (wiskundige statistiek). --- Toegepaste econometrie en statistiek (algemene naslagwerken). Statistische onderzoekingen en studiën. --- Econometrics. --- Social Sciences and Humanities. Economics --- 330.115 --- 330.115 Econometrie --- Econometrie --- Econometrics --- Economics, Mathematical --- Statistics --- Statistische technieken in econometrie. Wiskundige statistiek (algemene werken en handboeken) --- Theorie van correlatie en regressie. (OLS, adjusted LS, weighted LS, restricted LS, GLS, SLS, LIML, FIML, maximum likelihood). Parametric and non-parametric methods and theory (wiskundige statistiek) --- Econometrische behandeling van een onderwerp --- Toegepaste econometrie en statistiek (algemene naslagwerken). Statistische onderzoekingen en studiën --- Algemeenheden: Autoregression and moving average representation. ARIMA. ARMAX. Lagrange multiplier. Wald. Function (mis) specification. Autocorrelation. Homoscedasticity. Heteroscedasticity. ARCH. GARCH. Integration and co-integration. Unit roots --- Speciale gevallen in econometrische modelbouw --- Quantitative methods (economics) --- HB 139 Econometrics -- General Works

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With the collapse of the Bretton Woods system, any pretense of a connection of the world's currencies to any real commodity has been abandoned. Yet since the 1980s, most central banks have abandoned money-growth targets as practical guidelines for monetary policy as well. How then can pure "fiat" currencies be managed so as to create confidence in the stability of national units of account?Interest and Prices seeks to provide theoretical foundations for a rule-based approach to monetary policy suitable for a world of instant communications and ever more efficient financial markets. In such a w

Finances internationales --- Inflation --- Intérêt (économie politique) --- Politique monétaire --- Monetary policy --- International finance --- Modèles économétriques --- Econometric models --- Capital assets pricing model --- Spéculation --- Modèle de fixation du prix des actifs --- Politique monetaire. --- Politique economique. --- Interet (Economie) --- Prix. --- 333.842 --- -Prices --- 332.46 --- Commodity prices --- Justum pretium --- Willingness to pay --- Prijsvorming. Prijskostenverhouding. Prijsbeweging. Prijsfluctuatie--macroeconomisch; prijsindex zie {336.748.12} --- Geld. Monetaire politiek --- Deflatie. --- Intérêt (Économie) --- Politique économique. --- Politique monétaire. --- Intérêt (Économie). --- 338.5 Prijsvorming. Prijskostenverhouding. Prijsbeweging. Prijsfluctuatie--macroeconomisch; prijsindex zie {336.748.12} --- Spéculation --- Modèle de fixation du prix des actifs --- Analyse financière --- 330.101 --- 336.74 --- 306.110 --- 330.00 --- 333.403 --- 333.44 --- 333.820 --- 333.841 --- AA / International- internationaal --- 338.5 --- Monetary management --- Economic policy --- Currency boards --- Money supply --- 336.74 Geld. Geldwezen. Monetaire sector. --- Geld. Geldwezen. Monetaire sector. --- Macro-economie --- Algemeenheden over indexcijfers --- Economische en sociale theorieën: algemeenheden --- Monetaire theorieën. Kwantitatieve theorie. Theorie van de incasso's. Optiek van de uitgaven en inkomens --- Monetaire congressen, conferenties en onderzoeken --- Geldbeleid, bankbeleid en kredietbeleid: algemeenheden --- Inflatie --- Deflatie --- Geld. Geldwezen. Monetaire sector --- Macroeconomics --- Money. Monetary policy --- Monetary policy. --- Securities --- Speculation --- Investment analysis --- Capital investments. --- Politique monétaire --- Valeurs mobilières --- Investissements de capitaux --- Prices --- Mathematical models --- Prix --- Modèles mathématiques --- Finances internationales. --- Modèles économétriques. --- Politique monétaire. --- Politique économique. --- Intérêt (Économie) --- Account (accountancy). --- Addition. --- Aggregate demand. --- Aggregate expenditure. --- Aggregate supply. --- Approximation. --- Autocorrelation. --- Budget constraint. --- Calculation. --- Central bank. --- Characteristic polynomial. --- Coefficient. --- Conditional expectation. --- Consumption (economics). --- Cost curve. --- Currency. --- Deflation. --- Demand curve. --- Determinacy. --- Determinant. --- Economic equilibrium. --- Economics. --- Economy. --- Eigenvalues and eigenvectors. --- Elasticity of substitution. --- Estimation. --- Expected value. --- Expenditure. --- Factor market. --- Federal funds rate. --- Fiscal policy. --- Forecasting. --- GDP deflator. --- IS–LM model. --- Impulse response. --- Income. --- Indexation. --- Inflation targeting. --- Inflation. --- Initial condition. --- Interest rate. --- Interest. --- Intertemporal budget constraint. --- Investment. --- Lagrange multiplier. --- Long run and short run. --- Loss function. --- Marginal cost. --- Marginal rate of substitution. --- Marginal utility. --- Market liquidity. --- Market power. --- Market rate. --- Markup (business). --- Mathematical optimization. --- Monetary base. --- Monetary transmission mechanism. --- Money supply. --- New Keynesian economics. --- Nominal interest rate. --- Nominal rigidity. --- Optimization problem. --- Output gap. --- Partial derivative. --- Percentage point. --- Percentage. --- Phillips curve. --- Potential output. --- Prediction. --- Present value. --- Price Change. --- Price index. --- Price level. --- Pricing. --- Private sector. --- Probability. --- Production function. --- Quantity. --- Real Rate Of Return. --- Real gross domestic product. --- Real income. --- Real interest rate. --- Real versus nominal value (economics). --- Real wages. --- Relative price. --- Requirement. --- Stabilization policy. --- State of the World (book series). --- Stochastic discount factor. --- Stochastic process. --- Stock. --- Structural equation modeling. --- Supply (economics). --- Tax rate. --- Tax. --- Taylor rule. --- Time preference. --- Trade-off. --- Utility. --- Intérêt (économie politique) --- Modèles économétriques.