TN A RECENT paper, Bayoumi (1991) undertakes a macroeconomic analysis of recent reforms to U.K. local authority finance. In Section I he gives an admirably clear description of the reforms. However, for reasons given below, his empirical analysis of the impact of the change is flawed, and so the results should be treated with some caution. This note describes an alternative way of modeling local authority expenditure decisions that yields different estimates of the likely impact of the reforms. Bayoumi's analysis is based on the insight that the marginal price to the domestic sector of local authority expenditure is proportional to the per capita domestic tax base-or ratable value-in an area. This arises, it is claimed, because of the system of central government grants-in-aid in force in England until the 1990 reforms. Certainly, subject to certain reservations we set out below, this result is true for the years up to 1988/89. However, the fiscal year 1989/90 studied by Bayoumi was anomalous. In that year the Government chose to abandon the matching element of grants-in-aid implicit in the kinked budget constraints described by Bayoumi. Instead, to facilitate transition to the reformed system in 1990, it converted the grant to a lump sum. This had the effect of dramatically altering the marginal price of extra spending in most
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