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      MODELO VEC PARA LA ESTIMACIÓN DE INFLACIÓN BURSÁTIL: EVIDENCIA EMPIRICA EN MERCADOS NORTEAMERICANOS Translated title: VEC MODEL FOR THE ESTIMATION OF ASSET PRICE INFLATION: EMPIRICAL EVIDENCE IN THE US MARKETS

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          Abstract

          El presente trabajo estudia los efectos de cambios en la base monetaria y tasas de interés sobrelos precios de las acciones en los mercados norteamericanos. La presente investigación considera cuatro series de tiempo: La primera variable a considerar se denomina como Índice Bursátil Ajustado, el cual se construyó a partir de datos demás de 5900 empresas pertenecientes a NYSE¹, NASDAQ² o AMEX³; para posteriormente identificar un proxy4 de inflación bursátil mediante la corrección de este índice por la cantidad de acciones disponibles del índice en cuestión en cada punto del tiempo analizado. Adicionalmente, se utilizaron los datos sobre capitalización de mercado para medir el crecimiento del valor de las empresas pertenecientes al índice, y datos sobre la emisión de base monetaria para establecer causalidad y las relaciones necesarias con el índice bursátil corregido. Finalmente, la última variable considerada es la tasa de interés real, la cual fue aproximada a través de los rendimientos de las Letras del Tesoro de USA con vencimiento a un año. Los resultados son congruentes con la hipótesis de Modigliani Cohn formulada en 1979, que sugiere que el mercado de valores extrapola incorrectamente los índices de crecimiento de precios pasado sin tomar en cuenta el impacto de la inflación en el tiempo [1]. Se logró verificar una correlación negativa entre incrementos de tasas de interés y el decremento de los precios de las acciones en diferentes rezagos temporales, lo que sugiere la existencia de inflación bursátil. Así mismo, se logró estimar un modelo VEC para la estimación del precio del índice bursátil a través de información histórica no contemporánea sobre la base monetaria y la capitalización de mercado.

          Translated abstract

          The present paper constitutes an empirical study of the effects of an increase in monetary base and movements in interest rates over the stock prices in the US markets. This paper analyzes the time series of four different variables. The first variable is the Adjusted Stock Index, which was built using data of over 5900 publicly traded companies of the US markets, these companies are all listed in one of the following markets: NYSE¹, NASDAQ² or AMEX³. Once the Stock Index was constructed an Asset Price Inflation proxy was built through the correction of the Stock Index by the number of Outstanding Shares of the companies considered in the Stock Index. The second variable considered is Market Capitalization which was included in the model in order to measure the growth in value of the companies listed on the index. The third variable measures the changes on monetary base and it was included in order to analyze causality and the different relationships between the variables and the Adjusted Stock Index. Finally, the fourth variable is the Real Interest Rate, which was approximated through the one year yields of the US Treasury Bills.The results of the model are coherent with the Modigliani Cohn Hypothesis formulated in 1979,which suggests that the market incorrectly extrapolates past growth rates of prices without taking into account the impact of inflation over time [1]. The resulting model corroborated an indirect positive correlation between the upswings of stock prices and the increase in monetary base in the economy; also, it was plausible to establish negative causal dependency between a decrease in real interest rates and the measures of the index in different lags, which constitutes in empirical evidence of the existence of asset price inflation. Moreover, a VEC model was identified and calibrated to estimate the price of the Adjusted Stock Index using historical data series on the variables described in the lines above.

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          Statistical analysis of cointegration vectors

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            What Explains the Stock Market's Reaction to Federal Reserve Policy?

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              Should Central Banks Respond to Movements in Asset Prices?

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                Author and article information

                Contributors
                Role: ND
                Journal
                riyd
                Investigación & Desarrollo
                Inv. y Des.
                UNIVERSIDAD PRIVADA BOLIVIANA (Cochabamba, , Bolivia )
                1814-6333
                2518-4431
                2014
                : 1
                : 14
                : 66-80
                Affiliations
                [01] orgnameUniversidad Privada Boliviana juanjosejordan@ 123456upb.edu
                Article
                S2518-44312014000100005
                3d0b77cc-2c1e-453d-8c4f-b542a550ae3d

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 07 March 2014
                : 24 November 2013
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 24, Pages: 15
                Product

                SciELO Bolivia


                Inflación Bursátil,Capitalización de Mercado,Índice,Base Monetaria,Tasas de Interés,Asset Price Inflation,Market Capitalization,Index,Monetary Base,Interest Rates

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