Optimal tax in his article titled "Using Elasticities to Derive Optimal Income Tax Rates" derives a formula for optimal level of income tax using the both compensated and uncompensated elasticities. Saez writes the tradeoff between equity and efficiency is a central consideration of optimal taxation, and implementing a progressive tax allows the government to reallocate their resources where they are needed most. However, this deters those of higher income levels to work at their optimal level. Saez decomposes the marginal effects of a tax change into mechanical, behavioural and welfare effects, as follows: The sum of these effects should be zero at
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