Scandinavian Working Papers in Economics

Working Papers in Economics,
University of Gothenburg, Department of Economics

No 89: Has Sweden’s government budget policy been too discretionary? Evidence from a generalization of the tax smoothing hypothesis

Johan Adler
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Johan Adler: Department of Economics, School of Economics and Commercial Law, Göteborg University, Postal: Box 640, SE 405 30 GÖTEBORG

Abstract: Barro's (1979) tax smoothing hypothesis (TSH) assumes that the government is always subject to an optimal degree of discretion in budget policy, i.e., optimal in the sense that the welfare costs from taxation are minimized. This paper proposes a generalization of the TSH that relaxes this crucial assumption. Postwar evidence for Sweden indicates that in contrast to the TSH, the generalized model provides close to a perfect fit: Tax smoothing behavior in combination with more discretion in budget policy relative to what is optimal, can explain all shifts in the central government's budget balance, including the dramatic shifts during the period 1970-96.

Keywords: Tax smoothing; Discretion; Budget policy; Budget deficits

JEL-codes: H21; H61

26 pages, February 18, 2003

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