Principal Economics

Climate Policy, Trade, and Growth

Economic, environmental, and social impacts

Decision-Ready Modelling

What Changes and Who Pays

Transformative Change, Infrastructure, Housing and Transport Investment

What Makes Urban Regeneration Transformative? Rethinking Appraisal Beyond This forthcoming paper investigates the concept of “transformative change” in urban regeneration and the implications for how major place-based investments are appraised. While the term is widely used in policy discourse, there remains limited clarity on how transformational outcomes differ from marginal improvements, or how such effects […]

15 January 2026

Affordable Housing Business Case

Evaluating Affordable Housing Investment: Evidence, Options, and Economic Trade-offs This forthcoming report examines how affordable housing investment options can be evaluated using robust, policy-aligned economic frameworks. It focuses on the challenge faced by decision-makers in comparing alternative housing delivery and financing approaches where impacts extend beyond direct fiscal costs to include long-term wellbeing, productivity, and […]

15 January 2026
Housing and Transport Business Case

The standardised super-peak hedge product

Bringing Transparency and Liquidity to the Electricity Hedge Market Principal Economics is delighted to release our new report for the New Zealand’s Electricity Authority, evaluating market-making parameters for a standardised super‑peak hedge contract. This analysis supports regulatory design that promotes price transparency, market liquidity, and robust consumer outcomes. Key Findings Tiered Spread Cap Recommendation: We […]

19 August 2025
electricity consulting

Economic impact analysis

Estimate the impact of your activities using our extensive economic assessment frameworks We provide independent economic impact analysis to evaluate the impacts of a project, program or policy on regions, demographic groups, industry or the wider economy.

Economic research

We offer independent review of highly sensitive and technically complex issues. The team at Principal Economics have been involved in a wide range of critical policy and analytical analyses, including development of cost benefit analysis framework development, distributional effect analysis, literature review and policy assessment

Market analysis

Our team of economists help you to understand the demand for your services/products within the wider market. Principal Economics provides insight to the trend of the market and how your investment affect economic outcomes, including labour markets, economic productivity.

Macroeconomic consulting

In the rapidly changing global economy, it is increasingly essential to have a comprehensive understanding of macroeconomic dynamics and conduct a robust analysis of the economic environment to make informed strategic decisions.

Cost benefit analysis

Making decisions in uncertain times needs precise understanding of the costs and benefits. We can assist by identifying fiscal, economic and wellbeing benefits from your investment decision or policy intervention.

Forecasting and modelling

Principal Economics have developed a wide range of robust frontier economic evaluation frameworks to assist with your planning for future investments using best available data.

Business case

We have experience working on the different types of business cases – programme business cases, indicative business cases, detailed business cases and single stage business cases.

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