The Weber-Fechner law and public expenditures impact to the win-margins at parliamentary elections

Abstract

This paper discusses the electoral implications of psychological motivation on voting functions. We tested a claim of the Weber-Fechner law as applied to electoral behaviour-specifically, that an expanded public sector leads politicians to make more significant, opportunistic distortions of public expenditures than the distortions observed when the public sector is diminished. We employed a system of simultaneous equations to test this hypothesis for cases observed in more than sixty democracies since 1960. We gave a special focus to the cases of Central and Eastern European countries. Our results confirm the main implications of the Weber-Fechner law. Years in incumbency, running for re-election, higher unemployment and higher inflation rates tend to generate negative moods, feelings and affects in the electorate; thus, these factors tend to approximate the vote share of the most voted party to the remaining vote share of the challenger political forces.