ABSTRACT: The present study aimed to obtain, through statistical methods, the independent variables that influence economic and productive results of Brazilian beef cattle. Economic information was collected from 106 farms in Brazil. Data collection performed by Instituto de Métricas Agropecuárias (Inttegra). variable selection method used stepwise regression followed polynomial analyses. cattl...

Self-optimizing control is a strategy for selecting controlled variables. It is distinguished by the fact that an economic objective function is adopted as a selection criterion. The aim is to systematically select the controlled variables such that by controlling them at constant setpoints, the impact of uncertain and varying disturbances on the economic optimality is minimized. If a selection...

One of the most important duties of financial economy is modeling and forecasting the volatilities of price of risky assets. From analysts and policy makers’ view, price volatility is a key variable contributing to perception of market volatilities. Therefore, analysts need to have an appropriate of forecast of price volatility as a necessary input to perform duties such as risk management, por...

The objective of the study is to develop a relationship between interest rates and other macroeconomic variables using latest available data in Indian context so that a forecast of interest rate can be estimated. With the onset of economic reforms the interest rates India are deregulated and banks are allowed to determine market based interest rate. Market determined interest rates are likely t...

in this paper, asymmetric effects of exchange rate fluctuation (according to positive and negative shocks) on real output were investigated. in the meantime, the study of behaviour of real output growth in iran’s economy over the period 1338-1386 was done. in specification of the output growth equation, in spite of considering positive and negative shocks of exchange rate, the effects of other ...

This study identifies relationship among socio-economic and environmental factors with life expectancy in Africa. Socio-economic indicators were collected from international databases for 46 African countries. In this study, correlation coefficient were used to be ablo determine linear relationships between paired socio-economic variables. And also, regression analysis used for identification o...