In ancient Sparta, tax was gathered in two forms, lot rent and mess due, with fixedrent and sharecropping rent merging into a whole.
古代斯巴达的税收分为份地税、公餐税两种形式，融分成制、定额制于一体。
2
Furthermore, the modeling of the individual real estate investment only limited to stochastic price of real estate and fixedrent, not considered the rent being stochastic.
而有关个人房地产投资者的建模中，只限于随机的房地产价格和固定的租金，未考虑租金的随机性。
3
Based on the assumption that the retailer is asked to pay fixedrent and certain percentage of his total sales, this paper analyses the systems equilibrium results with two kinds of game assumptions.