Bayesian input–output table update using a benchmark LASSO prior

Mike Tsionas

Economic Systems Research, 2020, vol. 32, issue 3, 413-427

Abstract: We propose updating a multiplier matrix subject to final demand and total output constraints, where the prior multiplier matrix is weighted against a LASSO prior. We update elements of the Leontief inverse, from which we can derive posterior densities of the entries in input–output tables. As the parameter estimates required by far exceed the available observations, many zero entries deliver a sparse tabulation. We address that problem with a new statistical model wherein we adopt a LASSO prior. We develop novel numerical techniques and perform a detailed Monte Carlo study to examine the performance of the new approach under different configurations of the input–output table. The new techniques are applied to a 196 × 196 U.S. input–output table for 2012.

Date: 2020
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DOI: 10.1080/09535314.2019.1707170

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