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The problem of external validity (or "parallelism") in experimental economicsThis article is in three parts: in the first section, a real case of laboratory experimentation in economics illustrates what experimentalists do in order to test the external validity of their results. Then, it is shown that such a practice presupposes a specific conception of the causal relations economists are seeking. Some general remarks about the notions of external validity and parallelism are provided in conclusion.
Key Words: Causation Experimental economics External validity Methodology of economics
Social Science Information, Vol. 38, No. 4,
555-573 (1999) |
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