Laffer curve is simplistic in that it assumes a single tax rate and a single labor supply. Actual systems of public finance are more complex, and there is serious doubt about the relevance of considering a single marginal tax rate. In addition, revenue may well be a multivalued function of tax rate; for instance, an increase in tax rate to a certain percentage may not result in the same revenue as a decrease in tax rate to the same percentage (a kind of hysteresis). Furthermore, the Laffer curve does not take explicitly into account the nature of the tax avoidance taking place.
Eponymous archon was responsible for the civic religious arrangements. After 508 BC the offices were held for only a single year, and the year was named after the archon eponymous. The year ran from July to June. The archon eponymous was the chief archon, and presided over meetings of the Boule and Ecclesia, the ancient Athenian assemblies. The archon eponymous remained the titular head of state even under the democracy, though with much reduced political importance. Under the reforms of Solon, himself archon eponymous in 594 BC, there was a brief period when the number of archons rose to ten. After 457