Coexistence of carcinoma breast and Paget's disease of bone (2008)
Sundaraiya, S, Pradhan, PK, Gupta, A, Jain, M, Mishra, SK, Das, BK
We report a case of a patient with carcinoma breast who was incidentally diagnosed to be also suffering from Paget′s disease of bone on a routine radionuclide bone scan. CT-guided biopsy and...
Pradeep, PV, Tiwari, P, Mishra, A, Agarwal, G, Agarwal, A, Verma, AK, ...
Background: A large number of patients in our country develop goiters which seem to be apparently asymptomatic. Conventional radiography does not address the abnormal air flow dynamics. Flow volume...
Studies on the antimicrobial potential of Mahonia leschenaultii Takeda root and root bark (2006)
Duraiswamy, B, Mishra, SK, Subhashini, V, Dhanraj, S, Suresh, B
Monthly palliative pelvic radiotherapy in advanced carcinoma of uterine cervix (2005)
Mishra, SK, Laskar, S, Muckaden, MA, Mohindra, P, Shrivastava, SK, Dinshaw, KA
Adrenal myelolipoma associated with cholelithiasis (2001)
Kar, DK, Agarwal, A, Mishra, AK, Gupta, SK, Prasad, KK, Sawlani, V, ...
Performance evaluation of two fuzzy-logic-based homing guidance schemes (1994)
Mishra, SK, Sarma, IG, Swamy, KN
Homing guidance schemes based on fuzzy logic have been developed for a planar engagement model, with randomly jinking target maneuver and line-of-sight (LOS) rate measurement corrupted with glint...
Performance evaluation of two fuzzy-logic-based homing guidance schemes (1994)
Mishra, SK, Sarma, IG, Swamy, KN
Homing guidance schemes based on fuzzy logic have been developed for a planar engagement model, with randomly jinking target maneuver and line-of-sight (LOS) rate measurement corrupted with glint...
In this paper we compare the performance of the Differential Evolution (DE) and the Repulsive Particle Swarm (RPS) methods of global optimization. To this end, seventy test functions have been...
In this paper we compare the performance of the Differential Evolution (DE) and the Repulsive Particle Swarm (RPS) methods of global optimization. To this end, seventy test functions have been...
Repulsive Particle Swarm Method on Some Difficult Test Problems of Global Optimization
In this paper we test a particular variant of the (Repulsive) Particle Swarm method on some rather difficult global optimization problems. A number of these problems are collected from the extant...
Our objective in this paper is to compare the performance of the Differential Evolution (DE) and the Repulsive Particle Swarm (RPS) methods of global optimization. To this end, some relatively...
Least absolute deviation estimation of linear econometric models: A literature review
Dasgupta, Madhuchhanda, Mishra, SK
Econometricians generally take for granted that the error terms in the econometric models are generated by distributions having a finite variance. However, since the time of Pareto the existence of...
On generating correlated random variables with a given valid or invalid Correlation matrix
In simulation we often have to generate correlated random variables by giving a reference intercorrelation matrix, R or Q. The matrix R is positive definite and a valid correlation matrix. The matrix...
Optimal solution of the nearest correlation matrix problem by minimization of the maximum norm
The nearest correlation matrix problem is to find a valid (positive semidefinite) correlation matrix, R(m,m), that is nearest to a given invalid (negative semidefinite) or pseudo-correlation matrix,...
A high degree of multicollinearity among the explanatory variables severely impairs estimation of regression coefficients by the Ordinary Least Squares. Several methods have been suggested to...
Real Wages of Casual Labourers in Shillong (India)
This study is an investigation into the real wage rates of casual labourers in Shillong, the capital city of Meghalaya. First, trends in nominal wages during 1997-2000 have been studied. Then the...
Mitra, MK, Roy, DC, Mishra, SK
Indebtedness has been acknowledged as one of the most infamous stumbling blocks in the way of rural prosperity. It is cancerous, self-perpetuating, malignant and maleficent. It abates agricultural...
Issues and problems in human resource development in the NER (India)
The demographic canvas of the North Eastern Region of India (NER) is perhaps the most colourful and enchanting in the whole nation. We do not find in any other part of the country such a variety –...
On self-financing of institutions of higher learning in India
The mammoth system of higher education in India, which is almost wholly government supported, is in deep financial strain, with increasing needs, escalating costs and shrinking budgetary resources....
Rural development in the North-Eastern Region of India: Constraints and prospects
The rural subsystem of the NER economy consists of some 35 thousand villages inhabited by over 32 million people who constitute about 85 percent of the total population in the region. Of...
Correlation matrices have many applications, particularly in marketing and financial economics. The need to forecast demand for a group of products in order to realize savings by properly managing...
Logarithmic spirals are abundantly observed in nature. Gastropods/cephalopods (such as nautilus, cowie, grove snail, thatcher, etc.) in the mollusca phylum have spiral shells, mostly exhibiting...
Quality of life in Dimapur (India)
This study deals with several issues relating to an investigation into conceptualization, definition, measurement, spatial and community-wise distribution, asymmetry, inequality and a few other...
Correlation matrices have many applications, particularly in marketing and financial economics - such as in risk management, option pricing and to forecast demand for a group of products in order to...
Correlation matrices have many applications, particularly in marketing and financial economics - such as in risk management, option pricing and to forecast demand for a group of products in order to...
Estimation of Zellner-Revankar Production Function Revisited
Zellner and Revankar in their paper “Generalized Production Functions” introduced a production function, which was illustrated by fitting the generalized Cobb-Douglas function to the U.S. data...
Estimation of Zellner-Revankar Production Function Revisited
Arnold Zellner and Nagesh Revankar in their well-known paper “Generalized Production Functions” [The Review of Economic Studies, 36(2), pp. 241-250, 1969] introduced a new generalized production...
Generalization of regression analysis to the spatial context
Our day-to-day experience suggests that certain variables are local in their effects. The influence of such variables is limited within the boundaries of the spatial entity (district) where they are...
Keane’s bump function is considered as a standard benchmark for nonlinear constrained optimization. It is highly multi-modal and its optimum is located at the non-linear constrained boundary. The...
The issue of inequality or imbalance in sectional, sectoral or regional distribution of economic and social variables is connected to welfare implications of the functioning of an economy responsible...
Are agricultural markets location-optimal? A case study of Gaya District (Bihar)
The thesis of efficiency and optimality of Indian agricultural system has several facets that have called for attention of a number of scholars. Some have proved allocative optimality of resource...
Keane’s bump function is considered as a standard benchmark for nonlinear constrained optimization. It is highly multi-modal and its optimum is located at the non-linear constrained boundary. The...
On many occasions we need to construct an index that represents a number of variables. Cost of living index, general price index, human development index, index of level of development, etc are some...
On many occasions we need to construct an index that represents a number of variables. Cost of living index, general price index, human development index, index of level of development, etc are some...
On many occasions we need to construct an index that represents a number of variables. Cost of living index, general price index, human development index, index of level of development, etc are some...
Construction of (composite) indices by the PCA is very common, but this method has a preference for highly correlated variables to the poorly correlated variables in the data set. However, poor...
Socio-economic Exclusion of Different Religious Communities in Meghalaya
Meghalaya, a state in the North Eastern India, is inhabited by over 2.3 million of population of which 70 percent are Christian, 13 percent are Hindus and a little over 4 percent are Muslims as...
A Note on Human Development Indices with Income Equalities
Human Development Index (HDI) is a composite index obtained by a weighted aggregation of other three indices, each measuring one aspect, namely life expectancy, education and real per capita income....
Analysis of Gender Disparity in Meghalaya by Various Types of Composite Indices
Subjugation of women in certain spheres of life is very common in the patriarchal societies and it has a long history. In India, women have little social or economic independence. They are treated...
Development of village, micro and small enterprises in India has a special significance with regard to bridging up the disparities between urban and rural sectors of the economy on the one hand and...
Human Resource Management: Some Vital Considerations
The paper discusses how and why the theories of neo-classical economics are inadequate to provide a framework to human resource management and therefore must give way to dynamic gradual optimization...
Human Resource Management: Some Vital Considerations
The paper discusses how and why the theories of neo-classical economics are inadequate to provide a framework to human resource management and therefore must give way to dynamic gradual optimization...
No foolproof method exists to fit nonlinear curves to data or estimate the parameters of an intrinsically nonlinear function. Some methods succeed at solving a set of problems but fail at the others....
In the economics of joint production one often distinguishes between the two cases: the one in which a firm produces multiple products each produced under separate production process, and the other...
India’s policy deficit: as I look at it
This essay draws attention to the fundamental axioms of human nature which the socio-economic policies of India bank upon and analyses why in spite of elaborate planning for development well over a...
Median as a weighted arithmetic mean of all sample observations
This paper shows how median may be computed as a weighted arithmetic mean of all sample observations, unlike the conventional method that obtains median as the middle value (odd observations) or a...
Median as a weighted arithmetic mean of all sample observations
It is generally held that median does not use all sample observations. However, median may be expressed as a weighted arithmetic mean of all sample observations. Some Monte Carlo studies have been...
Multicollinearity and maximum entropy leuven estimator
Multicollinearity is a serious problem in applied regression analysis. Q. Paris (2001) introduced the MEL estimator to resolve the multicollinearity problem. This paper improves the MEL estimator to...
ECONOMICS OF PRIVATE SCHOOLING INDUSTRY IN KOHIMA, NAGALAND (INDIA)
The enterprise of running private schools has of late assumed the nature of an industry in India. Ever-increasing population, a race for providing education to ones children, degenerating quality of...
This study is based on primary data collected from randomly chosen 182 households inhabiting seven sample villages in the Udalguri subdivision, Assam (india). It indicates that at least 35.85 percent...
Nutritional Aspects of Poverty among Casual Labourer Households in Shillong (India)
In this paper we report our findings as to the extent of poverty among the casual labourers of Shillong, the capital city of Meghalaya, India. Two views of poverty have been considered; first at the...
Poverty, Dietary Imbalance and Sickness among Casual Labourer Households in Shillong (India)
The objective of this study is to bring out the case of poverty, undernourishment and health conditions of casual labourers in Shillong, the capital city of Meghalaya, India. A large section of the...
Based on the primary data collected from 182 rural households from seven villages (five of which are inhabited by indigenous population and the rest two are inhabited by immigrants Muslim population...
Nutritional Aspects of Poverty among Casual Labourer Households in Shillong (India)
In this paper we report our findings as to the extent of poverty among the casual labourers of Shillong, the capital city of Meghalaya, India. Two views of poverty have been considered; first at the...
Globalization is a deliberate decision to open up a national economy to the forces of product, factor and money markets, followed by a sequence of requisite policies and actions. The Indian economy...
A Study on Structure of the Economy of Udalguri Sub-Division, Assam (India)
In this study we make an attempt to visualize the structure of the economy of Udalguri Subdivision of Assam, India. The structure of an economy comprises the characteristic features of and the...
Poverty, Dietary Imbalance and Sickness among Casual Labourer Households in Shillong (India)
The objective of this study is to bring out the case of poverty, undernourishment and health conditions of casual labourers in Shillong, the capital city of Meghalaya, India. Casual labourers are...
Possibilities of quality enhancement in higher education by intensive use of information technology
Quality of higher education is a multi-dimensional concept. It lies in effectiveness of transmitting knowledge and skill; the authenticity, content, coverage and depth of information; availability of...
Construction of composite indices in presence of outliers
Effects of outliers on mean, standard deviation and Pearson’s correlation coefficient are well known. The Principal Components analysis uses Pearson’s product moment correlation coefficients to...
Robust Two-Stage Least Squares: some Monte Carlo experiments
The Two-Stage Least Squares (2-SLS) is a well known econometric technique used to estimate the parameters of a multi-equation (or simultaneous equations) econometric model when errors across the...
Facets and Factors of Human Development in Tripura
This paper systematically presents the geographical and historical forces that have shaped the resource base, infrastructure, connectivity, socio-economic milieu and consequently the economy of...
HUMAN DEVELOPMENT AND ITS CORRELATES IN NAGALAND
This study has presented data relating to human development in Nagaland and made an attempt to observe regularities in the same that may be meaningful for devising development policies. The findings...
Hedonic demand for rented house in Kohima, Nagaland
Kelvin Lancaster considered a commodity as a bundle of characteristics or a bunch of vectors. The demand for a commodity is therefore a demand for its characteristics. Those characteristics may...
The age of Professor Narmadeshwar Jha
Professor Narmadeshwar Jha was a noted scholar on History of Economic Thought that took its shape under the influence of Alfred Marshall. His widely referred book - The Age of Marshall: Aspects of...
Structural changes in economics during the last fifty years
This essay portrays the major currents in recent economic thinking against the orthodoxy and dogmatism of neoclassical economics. It places behavioral economics, experimental economics, evolutionary...
On construction of robust composite indices by linear aggregation
In this paper we construct thirteen different types of composite indices by linear combination of indicator variables (with and without outliers/data corruption). Weights of different indicator...
Structural relations among the components of household income and expenditure in Kohima, Nagaland
This paper presents our findings on the structural relationship between household income and consumption expenditure in the township of Kohima. It is based on the primary data collected from 209...
Facets and factors of human development in Tripura
This paper systematically presents the geographical and historical forces that have shaped the resource base, infrastructure, connectivity, socio-economic milieu and consequently the economy of...
This paper proposes a method of ranking the elements of a set of objects by multi-criteria analysis on multiple principal components derived from a multiple variable dataset pertaining to the...
A new method of robust linear regression analysis: some monte carlo experiments
This paper elaborates on the deleterious effects of outliers and corruption of dataset on estimation of linear regression coefficients by the Ordinary Least Squares method. Motivated to ameliorate...
What determines the academic and professional participation of economists?
The IDEAS publishes every month the rankings of economists (and departments of economics including research institutions working in the related areas) in different countries. These rankings are based...
This paper aims at comparing the performance of the Differential Evolution (DE) and the Repulsive Particle Swarm (RPS) methods of global optimization. To this end, some relatively difficult test...
In this paper an attempt has been made to fit the Gielis curves (modified by various functions) to simulated data. The estimation has been done by two methods - the Classical Simulated Annealing...
Least Squares Fitting of Chacón-Gielis Curves by the Particle Swarm Method of Optimization
Ricardo Chacón generalized Johan Gielis's superformula by introducing elliptic functions in place of trigonometric functions. In this paper an attempt has been made to fit the Chacón-Gielis curves...
The objective of this paper is to introduce a new population-based (stochastic) heuristic to search the global optimum of a (continuous) multi-modal function and to assess its performance (on a...
In this paper we compare the performance of the Barter method, a newly introduced population-based (stochastic) heuristic to search the global optimum of a (continuous) multi-modal function, with...
Global Optimization by Particle Swarm Method:A Fortran Program
Programs that work very well in optimizing convex functions very often perform poorly when the problem has multiple local minima or maxima. They are often caught or trapped in the local...
In this paper we compare the performance of the Differential Evolution (DE) and the Repulsive Particle Swarm (RPS) methods of global optimization. To this end, seventy test functions have been...
A Note on Numerical Estimation of Sato’s Two-Level CES Production Function
In this paper Sato’s two-level CES production function has been estimated by nonlinear regression carried out through five different methods of optimization, namely, the Hooke-Jeeves Pattern Moves...
In 1991 India chose to open her economy and formulated the New Economic Policy (NEP). Under the structural adjustment and reform programmes, the NEP aimed at promoting growth by eliminating supply...
A note on least squares fitting of signal waveforms
Signal waveforms are very fast dampening oscillatory time series composed of exponential functions. The regular least squares fitting techniques are often unstable when used to fit exponential...
NLINLS: a Differential Evolution based nonlinear least squares Fortran 77 program
This paper provides the list of Fortran 77 codes of nonlinear least squares using Differential Evolution as the minimizer algorithm. It has been tested on a number of difficult nonlinear least...
A Brief History of Production Functions
This paper gives an outline of evolution of the concept and econometrics of production function, which was one of the central apparatus of neo-classical economics. It shows how the famous...
A note on solution of the nearest correlation matrix problem by von-Neumann matrix divergence
In the extant literature a suggestion has been made to solve the nearest correlation matrix problem by a modified von Neumann approximation. In this paper it has been shown that obtaining the nearest...
On the optimality of academic rankings of regions with RePEc data
Based on the bibliographical data available with the RePEc (Research Papers in Economics), the Internet Documents in Economics Access Service (IDEAS) publishes every month the up-dated academic...