Research Article

Research on Incentive Policy Evaluation of Prefabricated Buildings Based on Grey Relational Analysis

Table 1

Evaluation index system for prefabricated building incentive policy.

Primary indexSecondary index

Land supportIncorporate prefabricated building requirements into land transfer conditions.
Include prefabricated buildings in the land auction.
Penalize companies that fail to meet the required requirements after enjoying the land policy.
Prioritize the annual construction land index.
The land transfer price can be paid in installments.

Area awardThe prefabricated part of the external wall is not included in the construction area.
Give floor area ratio rewards.

Economic supportConstruction incremental cost is included in construction cost.
Set up special funds to subsidize prefabricated construction projects.
Use the original special fund policy to expand the scope of use.
Provide funding support for research related to prefabricated buildings.
Implement preferential policies for investment promotion.
Subsidies (e.g., rent subsidies) are given to enterprises.
Preferential policies are put in place (including social security, security measures, quality assurance deposit, and urban construction supporting fees).

Tax supportSeparate tax calculations for production and construction.
Introduce this support into high-tech industries so they benefit from relevant industrial policies and tax preferences.
Receive a VAT refund upon collection.
Included in the preferential tax range of western development.

Financial supportPriority lending
Subsidized interest
Open up green channel and increase credit support.
Increase the amount and duration of loans to consumers.

Construction link supportBidding policy preference.
Apply for the “real estate pre-sale permit” in advance.
Go through the procedures of construction application, approval, pre-sale, and acceptance, in anticipation of opening up a green channel.
Prefabricated construction sites cannot stop working in heavy-pollution weather.
For the participating units of prefabricated construction, prioritize the qualification upgrade and other procedures.
Provide transportation support to components transportation.

Technical supportSupporting policies related to component management.
Encourage scientific and technological innovation and award.