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AgEcon Search 48 records found 1 - 10nextend  jump to record: Search took 0.04 seconds. 
This paper introduces the rank-based estimation method to modelling the Cobb-Douglas production function as an alternative to the least squares approach. The intent is to [...]
English | 2017 | Journal Article |
This paper highlights the sensitivity of technical efficiency estimates to estimation approaches using empirical data. Firm specific technical efficiency and mean technic [...]
2014 | Journal Article |
The study applies the single-stage modelling stochastic frontier approach to investigate the performance of maize farmers in the Ejura-Sekyedumase District of Ghana. It e [...]
2014-09 | Journal Article |
This study investigates the long-run relationship between Ghana’s exports and imports for the period of 1948 to 2012. Using the Engle Granger two-step procedure we find [...]
2015-12 | Journal Article |
This paper determines the effect of market reform and price decontrol on the size of maize milling/retail margins in South Africa. Regression models of monthly milling/re [...]
2006 | Conference Paper/ Presentation |
Demand functions for rice in Colombia and Venezuela, estimated by means of ordinary least square, were unsatisfactory because of problems with multicollinearity An altern [...]
1982-07 | Journal Article |
Long-run covariance plays a major role in much of time-series inference, such as heteroskedasticity- and autocorrelation-consistent standard errors, generalized method of [...]
2012 | Journal Article |
A muiltiregional Armington model of U S cotton exports is estimated inappropriately with ordinary least squares (OLS) and appropnately wlth seemingly unrelated regression [...]
1987 | Journal Article |
Akaike’s Information Criteria provide a basis for choosing between competing approaches to testing for price asymmetry. However, very little research has been undertake [...]
30 March 2013 | Journal Article |