基于时间差异的土地出让金分析与土地政策调整

Analysis of Time-Dependent Land Concession Expense and Policy Readjustment of Right of Use of Land

通过解析土地价格构成,分析了土地价格与土地出让金的关系.着重讨论了土地出让金及其调控政策基于时间差异对土地价格的影响.在静态且土地出让金调控政策为一次性条件下,从理论与数据释例两方面验证了土地出让金调控政策及土地出让年限存在"关键点",为检验土地政策有效性提供了参考标准;在土地出让金调控政策可调整且不确定条件下给出基于实物期权的离散条件下土地调控政策调整思路,为土地政策的有效实施提供了建议.

Analyzes the mechanism of land price and the relationship between land price and land concession expense especially the effects of land concession expense and its time-dependent readjustment policy on land price. Assuming that the readjustment policy of land concession expense remains unchanged, it is found theoretically that there is a key point in both the policy and land concession tenure, and the key point has been verified via practical data. Taking the key point as a reference, the validity of land policies can be actually proved. Under conditions that the policy of land concession expense is readjustable and also uncertain, the way to readjust the land concession policy is discussed on the basis of real options in discrete state, thus providing some suggestions for the validity of land policies.