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RQI Investors

Lessons from the Quant Winter

The quant winter was a two‑year period from 2018-20 when quant funds underperformed. This was largely a Developed Markets effect, with Australia also affected. In the last few years we've seen strong quant factor performance which raises the question of whether a quant winter could recur.

Corporate culture: Do companies that talk the talk also walk the walk?

Getting corporate culture right can be a powerful tool for any company and an important dimension for firm value. While intrinsically important for companies, it is notoriously difficult to measure.

Extreme concentration and its implications for equity investors – Addendum

This paper extends RQI's recent research on extreme concentration, turning to the Australian and Emerging Markets (EM) experiences. It aims to provide evidence that Australia and EMs do not show the same recent upward trend in concentration as the US.

Extreme concentration and its implications for equity investors

Concentration in equity markets has reached unprecedented levels, particularly in the US. A select few mega-cap stocks now dominate market indices, reflecting a convergence of technological innovation, speculative enthusiasm, and the allure of generative AI.

A deep dive into profitability

This report examines the characteristics and trend of a well-known measure of quality - Profitability. It discusses the reasons why it is a useful measure and why it might be persistent through time.

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Investment strategies

Building a lazy ETF portfolio in 2026

What are the best ways to build a simple portfolio from scratch? I’ve addressed this issue before but think it’s worth revisiting given markets and the world have since changed, throwing up new challenges and things to consider.

Investment strategies

21 reasons we’re nearing the end of a secular bull market

Nearly all the indicators an investor would look for suggest that this secular bull market is approaching its end. My models forecast that the US is set for 0% annual returns over the next decade.

Property

13 million spare bedrooms: Rethinking Australia’s housing shortfall

We don’t have a housing shortage; we have housing misallocation. This explores why so many bedrooms go unused, what’s been tried before, and five things to unlock housing capacity – no new building required.

Investment strategies

Market entry – dip your toe or jump in all at once?

Lump sum investing usually wins, but it can hurt if markets fall. Using 50 years of Australian data, we reveal when staging your entry protects you, and when it drags on returns. 

Investment strategies

The US$21 trillion question: is AI an opportunity or excess?

It has been years since the US stock market has been so focused on a single driving theme, and AI is unquestionably that theme. This explores what it means for US and global markets in 2026.

Economy

US energy strategy holds lessons for Australia

The US has elevated energy to a national security priority, tying cheap, reliable power to economic strength, AI leadership, and sovereignty. This analyses the new framework and its implications for Australia.

Strategy

Venezuela’s democratic roots are deeper than Trump knows

Most people know Maduro was a dictator and Venezuela has oil. Few grasp the depth of suffering or the country’s democratic history - essential context as the US ousts Maduro and charts Venezuela’s future. 

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