1,150 research outputs found

    Revisiting the empirical existence of the Phillips Curve for India

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    This paper revisits the empirical existence of the Phillips curve in the Indian context. To estimate the Phillips curve we need two variables – inflation and the output gap. In the case of India, incorrect measurement of both variables causes much difficulty in estimating the Phillipscurve. We use a non-linear Kalman filter approach to estimate the output gap and find that the Kalman filter estimate captures all the dynamics of the economy. Our results show that after taking supply shocks into consideration, there is clear evidence as to the existence of the Phillips curve in India for recent years.Kalman Filter; Output Gap; Inflation

    Analysis of Input Impedance and Mutual Coupling of Microstrip Antennas on Multilayered Circular Cylinders Using Closed-Form Green’s Function Representations

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    Cataloged from PDF version of article.Closed-form Green’s function (CFGF) representations for cylindrically stratified media are developed and used in conjunction with a Galerkinmethod ofmoments (MoM)in the space domain for the analysis of microstrip antennas on multilayered circular cylinders. An attachment mode is used in the MoM solution procedure to accurately model the feeding of probe-fed microstrip antennas. The developed CFGF representations are modified in the source region (where two current modes can partially or fully overlap with each other during the MoM procedure) so that singularities can be treated analytically and hence, the proposed CFGF representations can be safely used in this region. Furthermore, accurate CFGF representations for the probe-related components (necessary for probe type excitations including the attachment mode) are obtained when the radial distance between the source and field points is electrically small or zero. Numerical results in the form of input impedance of various microstrip antennas and the mutual coupling between two antennas are presented showing good agreement when compared to the available published results as well as the results obtained from CST Microwave Studio

    Closed-Form Green's Function Representations in Cylindrically Stratified Media for Method of Moments Applications

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    Cataloged from PDF version of article.Closed-form Green's function (CFGF) representations for cylindrically stratified media, which can be used as the kernel of an electric field integral equation, are developed. The developed CFGF representations can safely be used in a method of moments solution procedure, as they are valid for almost all possible source and field points that lie on the same radial distance from the axis of the cylinder (such as the air-dielectric and dielectric-dielectric interfaces) including the axial line (ρ = ρâ€Č and φ = φâ€Č), which has not been available before. In the course of obtaining these expressions, the conventional spectral domain Green's function representations are rewritten in a different form so that i) we can attack the axial line problem and ii) the method can handle electrically large cylinders. Available acceleration techniques that exist in the literature are implemented to perform the summation over the cylindrical eigenmodes efficiently. Lastly, the resulting expressions are transformed to the spatial domain using the discrete complex image method with the help of the generalized pencil of function method, where a modified two-level approach is used. Numerical results are presented in the form of mutual coupling between two current modes to assess the accuracy of the final spatial domain CFGF representations. © 2009 IEE

    The Influence of Poverty and Culture on the Transmission of Parasitic Infections in Rural Nicaraguan Villages

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    Intestinal parasitic infections cause one of the largest global burdens of disease. To identify possible areas for interventions, a structured questionnaire addressing knowledge, attitude, and practice regarding parasitic infections as well as the less studied role of culture and resource availability was presented to mothers of school-age children in rural communities around San Juan del Sur, Nicaragua. We determined that access to resources influenced knowledge, attitude, and behaviors that may be relevant to transmission of parasitic infections. For example, having access to a clinic and prior knowledge about parasites was positively correlated with the practice of having fencing for animals, having fewer barefoot children, and treating children for parasites. We also found that cultural beliefs may contribute to parasitic transmission. Manifestations of machismo culture and faith in traditional medicines conflicted with healthy practices. We identified significant cultural myths that prevented healthy behaviors, including the beliefs that cutting a child’s nails can cause tetanus and that showering after a hot day caused sickness. The use of traditional medicine was positively correlated with the belief in these cultural myths. Our study demonstrates that the traditional knowledge, attitude, and practice model could benefit from including components that examine resource availability and culture

    Precision optomechanics for geometrically modematched Fabry-Perot cavities in ALPS II

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    Challenging optical resonant gain achieved via the use of two geometrically modematched Fabry-Perot cavities is anticipated in Any Light Particle Search II (ALPS II) to extend the search sensitivity of light-weight sub-eV dark matter candidates to uncharted parameter space of scientific interest. We report on the precision optomechanics developed for geometrical modematching of optical cavities. The general concept, the mechanical mounting scheme, and the use of an autocollimator to streamline the metrology procedure are rigorously examined using optical interferometry, all of which meet the requirements of ALPS II

    Mini open anterolateral rotator cuff tear repair with the help of suture anchor

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    Background: It is generally accepted that mini open rotator cuff tear repair with the help of suture anchor gives satisfactory results in the long term, although most studies have so far shown a fairly high rate of good structural and functional outcome. The purpose of this study is to asses functional outcome of mini-open anterolateral rotator cuff tear repair with the help of suture anchor. Method: The 30 consecutive rotator cuff tear patients were selected from outpatient department at medical college. All patients were diagnosed with full thickness rotator cuff tear and subsequently treated with mini-open anterolateral approach technique. Each patient was clinically assessed with DASH questionnaire and constant Murley score for their satisfaction. Results: After a minimum of 12 month follow up period, the average clinical outcome scores all improved significantly at the time of final follow up. Conclusions: Patient with mini-open anterolateral rotator cuff tear repair with the help of anchor suture showed improvement in their functional outcome and range of motion.

    Impact of adverse economic shocks on the Indian child labour market and the schooling of children of poor households

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    This paper analyses the impact of adverse economic shocks on human capital formation in the case of India. It uses the extended theoretical model of Basu and Van (1998). The study has been carried out for the period between 1999 and 2002 and covers 385 districts. The results show that during a crisis, there is a fall in the school enrollment rate and a rise in the child labour participation rate. The study also argues that in the absence of a well-functioning credit market, to mitigate the adverse economic shocks on the children of poor households, the government must provide an incremental cash/in-kind conditional transfers to poor households with children

    Impact of adverse economic shocks on the Indian child labour market and the schooling of children of poor households

    Get PDF
    This paper analyses the impact of adverse economic shocks on human capital formation in the case of India. It uses the extended theoretical model of Basu and Van (1998). The study has been carried out for the period between 1999 and 2002 and covers 385 districts. The results show that during a crisis, there is a fall in the school enrollment rate and a rise in the child labour participation rate. The study also argues that in the absence of a well-functioning credit market, to mitigate the adverse economic shocks on the children of poor households, the government must provide an incremental cash/in-kind conditional transfers to poor households with children
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