Supply-side economics "The Wall Street Journal", supply-side economist Arthur Laffer, and anti-tax leader Grover Norquist. By 2017, state revenues had fallen by hundreds of millions of dollars causing spending on roads, bridges, and education to be slashed, but instead of boosting economic growth, growth in Kansas remained consistently below average. A working paper by two economists at Oklahoma State University (Dan Rickman and Hongbo Wang) using historical data from several other states with economies structured similarly to Kansas found that the Kansas economy grew about 7.8% less and employment about 2.6% less than it would have had Brownback not cut taxes. In
Laffer, South Australia which was conducted in August 2016 reports that Laffer had a population of 48 people. Laffer is located within the federal division of Barker, the state electoral district of MacKillop and the local government area of the Tatiara District Council. Laffer, South Australia Laffer is a locality in the Australian state of South Australia located in the state’s south-east about south-east of the state capital of Adelaide and about west of the municipal seat in Bordertown. Its boundaries were created on 24 August 2000. Its name is derived from the cadastral unit of the Hundred of Laffer which it occupies