Economic and political developments since 1973 have prompted a major re-examination of both principles and practice of equalization transfers. Significant contributions have come from individual writers, a Parliamentary Task Force (the Breau Commission), and most recently the Economic Council of Canada. Meanwhile in April of this year the federal government, after consultation with the provinces, enacted Bill C-97 setting out the equalization scheme that will prevail for the next five-year period. It is natural to ask at this time what we have learned from these efforts, and to what extent they have influenced the most recent federal legislation. We shall attempt to do this in this paper, although space limitations compel us to restrict our discussion to Financing Confederation, chosen because it represents the most recent and the most comprehensive of the available studies. Canada's equalization program has been plagued from its very inception by the facts that the principles underlying such transfers have never been fully articulated, and that the actual formula for calculating payments has been modified constantly in response to changing conditions. The Council, significantly, sets out to correct the ad hoc nature of each of these. We shall argue in what follows that their report, while it represents an important advance in our understanding of the murky areas of equalization, still has problems in both these respects. Specifically, the theoretical section exaggerates the degree of harmony between equity and efficiency criteria as rationale for equalization transfers, and almost certainly overstates the amount of such payments that are required. The transition from principles to practice is flawed in that the theoretical work envisages a system where transfers flow from a fiscal surplus to a fiscal deficit area, while the report retains the system of financing several deficit jurisdictions out of general revenues. The recent federal legislation, however, falls even further short of a theoretically consistent scheme. The basic argument of Financing Confederation can be summarized very briefly as follows. The 'net fiscal benefits' provided by provincial governments are likely to vary substantially across jurisdictions, due to differences in average real earnings and in the amount of sourcebased taxation revenue that can be raised. This both creates horizontal inequities among Canadians, and induces an inefficient migration response by labour and (perhaps) capital. Economic efficiency requires that these net fiscal benefits be fully equalized, as does horizontal equity interpreted in a broad sense. This would ideally apply to all provincial government revenues, but for constitutional-political reasons only a portion of natural resource revenues is to enter, the portion being equal to the marginal federal tax rate applicable to the province. Our objection is to the claim that equity and efficiency criteria fortuitously coincide, and that, except for constitution constraints, both require full equalization of any apparent net fiscal benefits. We argue instead that full equalization is only implied under one or other of two extreme assumptions about interregional labour mobility, and that in both cases efficiency and equity give quite different answers. Under more reasonable assumptions about factor
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