Wheat From Chaff: Meta-Analysis As Quantitative Literature Review

This paper presents and develops a quantitative method of literature reviewing and evaluating empirical research, meta-regression analysis or MRA. Economics is theory-driven. Yet, we must learn empirically if economics is to advance. MRA offers a more objective statistical method to summarize our empirical knowledge and to explain the wide study-to-study variation in economic research. MRA is used to assess the evidence for Ricardian equivalence, and its findings are contrasted to those of conventional narrative review. Furthermore, MRA establishes a platform from which to distinguish genuine empirical effect from the exploitable specification error that infests applied econometrics.

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