Estate agent owned, all or mostly tenanted properties under one ownership. Alternative titles are Factor, Steward, or Bailiff, depending on the era, region, and extent of the property concerned. The term originally referred to a person responsible for managing a landed estate, while those engaged in the buying and selling of homes were ""House Agents"", and those selling land were "Land Agents". However, in the 20th century, ""Estate Agent"" started to be used as a generic term. Estate agent is roughly synonymous with the United States term real estate broker. Estate agents need to be familiar with their local area, including factors
Representative agent group of heterogeneous agents to a representative agent is not just an analytical convenience, but it is ""both unjustified and leads to conclusions which are usually misleading and often wrong."" In his view, the representative agent ""deserves a decent burial, as an approach to economic analysis that is not only primitive, but fundamentally erroneous."" A possible alternative to the representative agent approach to economics could be agent-based simulation models which are capable of dealing with many heterogeneous agents. Another alternative is to construct dynamic stochastic general equilibrium (DSGE) models with heterogeneous agents, which is difficult, but is becoming more common