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Theory testing (hypothesis testing) in agricultural economics AgEcon
Meszaros, Sandor.
According to Karl Popper, economics and agricultural economics should be deemed scientific if the theories (hypotheses) are subject to strict tests. The testing of agro-economic theories goes back 50 years in the USA, Canada, Europe, and Japan, and these methods are becoming increasingly part of educational research methodology. In fact, the author of this paper teaches this very subject at Debrecen University, and for this reason has endeavoured to provide an overview on current trends in this field. The present overview first discusses the role of testing in the research process (cognition), and then analyses the various classification methods (types) of testing. It deals in detail with the application of the (microeconomic) production-theory in...
Tipo: Journal Article Palavras-chave: Theory testing; Hypotheses testing; Economics; Agricultural economics; Production-theory; Research Methods/ Statistical Methods.
Ano: 2008 URL: http://purl.umn.edu/46658
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The Structure of Models: Understanding Theory Reduction and Testing with a Production Example AgEcon
Davis, George C..
The language of economics is the language of models. Understanding the structure of this language offers many benefits. Unfortunately, the structure is ubiquitous in implementation but absent in documentation. This paper documents the structure of models in the context of the theory reduction and testing process. The structure is used to explain why there are several legitimate ways to deal with nonspherical errors in econometric models and why the recent work on stochastic preferences and technologies is a progressive step forward for the discipline. A production modeling exercise is presented to help illuminate the concepts.
Tipo: Journal Article Palavras-chave: Methodology; Models; Theory reduction; Theory testing; Venn diagrams; Research Methods/ Statistical Methods.
Ano: 2004 URL: http://purl.umn.edu/31142
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