Prof. Lubos Pastor: Equilibrium Models vs. Intuition (EP.124)

Key takeaways

Quantitative easing is a crucial tool for economic recovery, particularly in low interest-rate environments, and has implications for inflation and asset prices.
There is a significant historical relationship between stock market returns and political cycles, with higher returns under Democratic presidents.
Green assets, while favored by sustainable investors, typically offer lower expected returns due to their higher demand and price premiums.
Stocks are not less volatile in the long run when considering forward-looking volatility measures, impacting how investors should allocate assets.
The shift from active management to passive investing raises questions about future active fund performance as competition diminishes.
Liquidity risk is an essential factor influencing asset prices, with high liquidity sensitivity leading to higher expected returns during crises.
Success can be defined by personal and professional fulfillment, highlighting the importance of meaningful contributions to society.

Summary

Quantitative Easing and Economic Recovery

Professor Lubos Pastor discusses the role of quantitative easing (QE) as a monetary policy tool employed by central banks to strengthen weak economies, particularly when interest rates are already low. He explains that QE aims to lower borrowing costs, thereby encouraging spending and investment by households and firms. Pastor also addresses whether QE is inherently inflationary, citing research that shows QE can modestly increase price levels. He emphasizes that any inflation resulting from QE is beneficial as it helps central banks reach their inflation targets.

Political Cycles and Stock Returns

Pastor analyzes the correlation between stock market returns and political cycles, noting that historical data reveals significantly higher stock market returns under Democratic presidents compared to Republicans. He suggests that Democrats are often elected during times of economic distress, leading to higher expected future returns despite lower immediate market performance. This insight links political risk aversion to the political cycle, influencing investor behavior and stock performance.

Sustainable Investing and Green Assets

In exploring sustainable investing, Pastor outlines his findings that while green assets may have higher prices due to investor preference, they generally come with lower expected returns. He explains that demand for green stocks increases their prices, thus lowering their anticipated returns. Furthermore, green assets are seen as a hedge against climate risks, creating a preference among investors, despite the risk associated with those assets being already reflected in their prices.

Volatility Misconceptions in Long-Term Investing

Pastor challenges the conventional wisdom that stocks become less volatile over longer investment horizons. He presents research indicating that while historical data shows lower volatility over extended periods, forward-looking measures reveal increasing uncertainty, leading investors to face higher volatility over time. This finding impacts asset allocation strategies, especially for young investors, suggesting a need for a more cautious approach to stock investment.

The Active vs. Passive Investing Debate

The conversation shifts to the growing trend of passive investing at the expense of active fund management. Pastor shares insights from his research indicating that while active managers may have demonstrated skill, the competitive nature of the industry has decreased their overall performance. He theorizes that as more investors shift to passive strategies, the potential for active managers to outperform increases, but reverts to equilibrium once too much investment flows to active funds.

Liquidity Risk and Asset Pricing

Pastor discusses his influential paper on liquidity risk, demonstrating that stocks with high sensitivity to market-wide liquidity face higher expected returns. He asserts that liquidity risk is a systematic risk that cannot be diversified away, particularly during financial crises. Historical data supports the notion that liquidity risk remains a crucial factor in asset pricing, indicating the importance for investors to account for liquidity in their financial strategies.

Defining Personal Success

Towards the end of the episode, Pastor shares his definition of success, emphasizing personal fulfillment through family happiness and meaningful contributions in his professional life. He expresses the importance of impactful ideas and conducting research that positively influences others.

Show notes

Professor Lubos Pastor's brilliant and varied research has been consistently referenced on this podcast. From how politics impacts stock returns to measuring the skill of active fund managers, Lubos joins us today as we explore some of the 'greatest hits' of his research. With Lubos's position on the board of the Slovakian Central bank, we ask him about how quantitative easing can be used to strengthen the economy. His answers highlight how easing can prop up asset prices and raise inflation — and why inflation is the "least bad" option to deal with post-pandemic debt. We then discuss Lubos's research on how political cycles affect stock returns and why stock returns are higher when a Democrat is in the White House. After diving into how stock prices respond to political uncertainty, we look at why green assets tend to generate higher stock prices but low expected returns. While talking about his research on measuring volatility, Lubos argues against the conventional wisdom that stocks are stable, in the long run. We touch on how this can affect your retirement asset allocation before chatting about whether young people should use leverage. With so many people moving from active to passive and index fund investing, we analyze the relationship between the scale of active funds and the skill of active managers. Near the end of the episode, we talk about the effect that market-wide liquidity has on stock prices and why you cannot diversify away from liquidity risk. Our conversation with Lubos is filled with insights, each of which could inspire hours worth of discussion. Tune in to hear more from our discussion with Professor Lubos Pastor.

Key Points From This Episode:

Introducing Professor of Finance and today's guest, Lubos Pastor. [0:0:15]
The role of central banks and the goal of quantitative easing. [0:05:06]
Whether quantitative easing props up asset prices. [0:07:58]
Exploring different findings on quantitative easing by central banks and academics. [0:08:51]
Why inflation may be the "least bad" option to deal with post-pandemic debt. [0:10:27]
How increased inflation helps shift the burden of debt from those who are most impacted by lockdowns. [0:11:17]
Lubos explains the relationship between political cycles and stock returns. [0:13:39]
Hear how political uncertainty affects stock returns. [0:18:46]
Why green assets tend to generate higher stock prices and low expected returns. [0:20:38]
What factors would cause green assets to perform well, and how long this might last. [0:25:22]
The link between sustainable investing and firms pushing to turn green. [0:27:48]
Dispersions among ESG rating organizations and issues related to ESG scoring. [0:29:45]
Why green assets will, most likely, never outperform in the long-term. [0:32:37]
Exploding the conventional wisdom that stocks are less volatile in the long run. [0:34:26]
How long-term stock volatility affects your retirement fund asset allocation. [0:38:30]
How human capital and mean reversion should factor into a young person's decision to use leverage. [0:39:54]
Analyzing the skill and scale of active fund management. [0:42:49]
Why consumers moving towards passive investing will increase active fund performance. [0:46:37]
Answering the question: Did active funds do well over the pandemic? [0:52:39]
Ways of selecting a good active fund manager. [00:54:28]
Buffett's alpha strategies of replicating the decisions of top fund performers. [00:56:55]
How market-wide liquidity impacts stock prices. [01:10:42]
Whether current liquidity betas can predict future liquidity betas. [01:02:32]
Lubos shares how he defines success in his life. [01:05:18]