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Table 3 Model parameters for the I-4 Ultimate

From: Enhancing the decision-making process for public-private partnerships infrastructure projects: a socio-economic system dynamic approach

Parameter

Unit

Value

Reference

Capital structure

Billon dollars ($)

2.3

[47, 48]

Construction period

Years

6

[47]

Equity level

Percentage (%)

6

[47]

Loan capitalized interest rate

Percentage (%)

5

Assumed

Loan interest rate

Percentage (%)

3

Assumed

Traffic volume

Vehicle/day

70,000

Assumed

Discounted rate

Percentage (%)

5

[47]

Tax rate

Percentage (%)

3

Assumed

Concession period

Years

40

[47, 48]

Concession price

Dollars ($)

9

Assumed

Total subsidy

Billion dollars ($)

0.4

Assumed