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Originally the cohortes urbanae were divided into three cohorts, each cohort being commanded by one tribune and six centurions. In the time of the Flavians this was increased to four cohorts. Each cohort contained around five hundred men. Only free citizens were eligible to serve in their ranks.
In 22 AD they were commanded by the praefectus vigilum, who was of equestrian rank, and subpraefectus and were divided into seven cohorts commanded by a tribune. Usually tribunes would begin their career by commanding a unit of the Vigiles. [6] Each cohort was divided into seven centuries, each of 70–80 men commanded by a centurion.
e. Urban economics is broadly the economic study of urban areas; as such, it involves using the tools of economics to analyze urban issues such as crime, education, public transit, housing, and local government finance. More specifically, it is a branch of microeconomics that studies the urban spatial structure and the location of households ...
In course of time the command seems to have been enlarged so as to include all the troops in Italy except the corps commanded by the city praefect (cohortes urbanae). [ 3 ] The special position of the praetorians made them a power in their own right in the Roman state, and their prefect , the praefectus praetorio , soon became one of the more ...
t. e. The Praetorian Guard (Latin: cohortes praetoriae) was an elite unit of the Imperial Roman army that served as personal bodyguards and intelligence agents for the Roman emperors. During the Roman Republic, the Praetorian Guards were escorts for high-ranking political officials (senators and procurators) and were bodyguards for the senior ...
The overlapping generations (OLG) model is one of the dominating frameworks of analysis in the study of macroeconomic dynamics and economic growth.In contrast to the Ramsey–Cass–Koopmans neoclassical growth model in which individuals are infinitely-lived, in the OLG model individuals live a finite length of time, long enough to overlap with at least one period of another agent's life.
The urban hierarchy ranks each city based on the size of population residing within the nationally defined statistical urban area. Because urban population depends on how governments define their metropolitan areas, urban hierarchies are conventionally ranked at the national level; however, the ranking can be extended globally to include all cities.
Influence. Robbins's Essay is one of the most-cited works on the methodology and philosophy of economics for the period 1932–1960. Arguments therein have been widely accepted on the demarcation of economics as science from discussion of recommendations on economic policy. [7] In that period, economists started referring to Robbins' definition ...