MULTIPLIER ESTIMATES: TO BIAS OR NOT TO BIAS?*

Erik Dietzenbacher

Journal of Regional Science, 2006, vol. 46, issue 4, 773-786

Abstract: ABSTRACT It is well known that multiplier estimates within an interindustry context may be biased when the input coefficients are stochastic. Several conditions have been derived under which the estimates were shown to be biased, all with the same sign. In contrast to these analytical results, however, simulations using a stochastic transactions table unexpectedly reported the unbiasedness of multiplier estimates. This note argues that the sample sizes were too small. It is shown that for increased sample sizes the multiplier estimates are all positively and significantly biased, in line with the analytical results, but the biases are very small.

Date: 2006
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