Which of the following contracts would be best suited to a ‘variable pricing’ arrangement?

A variable pricing arrangement is most suitable for long-term contracts where input costs are subject to significant fluctuation. A five-year road building project involves volatile costs for raw materials (e.g., asphalt, steel), labor, and fuel over an extended period. A variable pricing mechanism, such as a price adjustment clause linked to specific cost indices, allows the contract price to change in line with these market fluctuations. This approach fairly allocates the risk of cost inflation between the buyer and the supplier, which is essential for the financial viability of such a large-scale, long-term project.

A: This is a short-term service contract with predictable costs, making a fixed-price arrangement more appropriate and simpler to manage.

C: This is a short-term contract for standard goods with known manufacturing costs, best suited for a firm fixed price.

D: This is a spot purchase for immediate delivery where the price is fixed at the point of the transaction.

1. Chartered Institute of Procurement & Supply (CIPS). (2018). Commercial Contracting (L4M3). CIPS Knowledge. In the section on 'Payment Arrangements in Contracts

' it is detailed that for long-term contracts

especially in construction and engineering

price adjustment formulae are used to account for inflation and fluctuations in material and labor costs. This makes variable pricing essential for projects spanning several years.

2. Lysons

K.

& Farrington

B. (2020). Procurement and Supply Chain Management. Pearson Education. In Chapter 12

'Price and Total Cost of Ownership

' the text explains that fixed-price contracts are unsuitable for long-term agreements where market conditions are likely to change. It recommends variable pricing or cost-plus arrangements for such scenarios to mitigate supplier risk (pp. 345-347).

3. Bailey

P.

Farmer

D.

Crocker

B.

Jessop

D.

& Jones

D. (2015). Procurement Principles and Management. Pearson Education. Chapter 10

'Price and Cost

' discusses that for major capital projects like construction

which have a long duration

contracts must include provisions for price variation based on published indices for labor and materials (Section 10.7

'Price variation').