Darren 🥚🐣🕊️ Profile picture
Jul 13, 2021 17 tweets 8 min read Read on X
1/ Understanding Commercial Real Estate: Just How Different from Housing Is It? (Gyourko)

"The correlation between owner-occupied and commercial real estate is 40%. Both exhibit persistence across individual years and mean reversion over longer periods."

papers.ssrn.com/sol3/papers.cf… Image
2/ "The use of common production technologies and factors of production such as land and capital probably makes it difficult to prevent pricing in one property sector from influencing values in another within the same market area."
3/ "The market capitalization of the equity REIT sector was under $7 billion until the early 1990s, so it is only over the last 15-20 years that this market is thought to be a reasonable proxy for commercial property markets. This paper uses data compiled by NAREIT.
4/ "Equity REITs have had an average debt-to-equity ratio of about 1-to-1 over the long run.

"That NCREIF prices are ‘stale’ suggests that the NAREIT series leads NCREIF, which has been confirmed in previous research. Image
5/ "There is a lag in reported home prices, too, as agreed-upon transaction prices are not formally recorded for some time.

"The correlation rises from 0.28 contemporaneously to 0.37 when last year’s NAREIT price growth is correlated with this year’s house price growth." Image
6/ "Changes in price-to-construction cost ratio are interpreted as primarily reflecting changes in implied land values.

"If implied land values in the housing sector rose a lot during 2003-08 in a given metro area, they also tended to rise a lot in that area’s office sector." ImageImageImageImage
7/ "The commercial market has been much more volatile and often experiences sharp drops in nominal prices. Longer lead times in the production of income-producing properties may help explain this.

"The volatility is apparent in the summary statistics in the bottom of Table 1." Image
8/ NOTE: The standard deviations for the OFHEO (single-family home) and NCREIF indices are probably artificially low due to infrequent appraisals and the way appraisals are conducted (smoothing of returns over several months and dropping distressed sales).
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9/ "As many people have noted, there never was a nominal downturn in aggregate national house prices until 2008. However, Figure 3 documents several inflation-adjusted declines.

"Real constant-quality house prices fell by 12% between 1979 and 1982 and 6% between 1989 and 1994." Image
10/ "Total returns on commercial real estate have been much stronger over time, largely because of a consistently large net rental flow.

"Appraised capital values tend to fall in real terms whenever rent growth decelerates, especially when it turns negative." ImageImage
11/ "A 1% higher appreciation rate last year is associated with a 0.17% higher rate this year, controlling for national conditions and the local trend. This is less than the 0.2-0.5 reported for owner-occupied housing by Case and Shiller, but both exhibit short-run persistence." ImageImage
12/ "The second panel indicates that persistence in appreciation, income growth, & total returns weakens rapidly.

"The variation in total returns is driven by volatility in capital values: results for total returns and capital appreciation are similar (compare columns 1 & 3).
13/ "Rents are smooth compared to property values. This makes commercial real estate like stocks: total returns are driven more by changes in multiples than by changes in rents."

This is consistent with what Demers & Eisfeldt find for single-family homes:
14/ "Nearly two-thirds of the variation in real annual appreciation and real total returns can be explained by year dummies, with over 80% of the variation in real annual income growth being common across markets. Market dummies can only account for 3%-4% of the variation." Image
15/ "This is different from what Glaeser & Gyourko report for owner-occupied housing: year-fixed effects could explain only 27% of the variation in real annual house price changes between 1980-2005 for 115 metropolitan areas. Single-family housing markets appear to be local."
16/ "The bulk of the price appreciation experienced in the hottest office markets from 2003-2008 was due to multiple expansion (falling cap rates), not higher net rents." ImageImageImage
17/ Value & Momentum Everywhere


Best Strategies for Inflationary Times


Total Returns to Single Family Rentals


Demystifying Illiquid Assets: Expected Returns for Private Real Estate

• • •

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More from @ReformedTrader

May 18
1/ Skewness and kurtosis

* Everything has excess kurtosis
* Unlike market returns, individual stocks aren't negatively skewed
* Option prices underestimate kurtosis and overestimate negative skewness
* Implied moments don't consistently predict stock returns
* Sell options?? Image
2/ Asset classes have fat tails, and most have negative skewness.

Kurtosis & expected returns


Kurtosis-Based vs Volatility-Based Asset Allocation


Impact of Skewness and Fat Tails on Asset Allocation

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3/ This has practical consequences, and it's a good idea to be prepared.

Give me a moment: Optimal leverage in the presence of volatility, skewness, and kurtosis


When Genius Failed: The Rise & Fall of Long-Term Capital Management


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Read 5 tweets
Jan 1
1/ Fact, Fiction, and Factor Investing (Aghassi, Asness, Fattouche, Moskowitz)

"We reference an extensive academic literature and perform simple but powerful analyses to address claims about factor investing."

aqr.com/Insights/Resea…
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2/ #1. Fiction: Factors are Data-Mined with No Good Economic Story

"Value, momentum, carry, and defensive/quality pass the more stringent statistical tests.

"Many of the factor tests conducted in papers are on variations of a few central themes."




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3/ "Value, momentum & defensive/quality applied to US individual stocks has a t-stat of 10.8. Data mining would take nearly a trillion random trials to find this.

"Applying those factors (+carry) across markets and asset classes gets a t-stat of >14."





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Read 14 tweets
Dec 31, 2023
1/ Happily Ever After? Cohabitation, Marriage, Divorce, and Happiness in Germany (Zimmermann, Easterlin)

"The formation of unions (separation or divorce) has a positive (negative) effect on life satisfaction. We also see a 'honeymoon period' effect."

researchgate.net/publication/49…
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2/ "The model's four terms describe different life stages for an individual who marries during the sample period. The intercept reflects the average life satisfaction of individuals in the baseline period [all noncohabiting years that are at least one year before marriage]."


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3/ " 'How satisfied are you with your life, all things considered?' Responses are ranked on a scale from 0 (completely dissatisfied) to 10 (completely satisfied).

"We center life satisfaction scores around the annual mean of each population subsample in the original population."
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Read 29 tweets
Aug 13, 2023
1/ Short-sightedness, rates moves and a potential boost for value (Hanauer, Baltussen, Blitz, Schneider)

* Value spread remains wide
* Relationship between value and rates is not structural
* Extrapolative growth forecasts drive the value premium

robeco.com/en-int/insight…
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2/ "The valuation gap between cheap and expensive stocks remains extremely wide. This signals the potential for attractive returns going forward."


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3/ "We observe a robust negative relationship between value returns and changes in the value spread.

"The intercept of ≈10% can be interpreted as a cleaner estimate of the value premium, given that it is purged of the time-varying effects of multiple expansions & compressions." Image
Read 7 tweets
Aug 5, 2023
1/ Advanced Futures Trading Strategies (Robert Carver)

This really interesting book tests some strategies that I haven't seen in the academic literature.

Read Part 1 to see how the author builds portfolios; the new stuff is explored in Parts 2-5.

https://t.co/p1QdFCE9F1amazon.com/Advanced-Futur…



Trend and carry in various volatility regimes
Trend using spot prices
Carry with seasonality corrections
Value (5-year mean reversion) in futures markets
2/ Part 1: Basic directional strategies
Part 2: Adjusted trend, trend and carry in different risk regimes, spot trend, seasonally-adjusted carry, normalized trend, asset class trend
Part 3: Breakouts, value, acceleration, skew
Part 4: Fast mean reversion
Part 5: Relative value


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Skew
Fast mean reversion (approximately two-day holding period)
Fast mean reversion conditioned on trend
3/ Related reading

Time-Series Momentum


Two Centuries of Trend Following
https://t.co/R6JQb6Cg96

Carry
https://t.co/poFk6OWQsO

Value and Momentum Everywhere
https://t.co/l0wVgAOrhL

Leveraged Trading
https://t.co/1bKFEaD5cu



Read 4 tweets
Apr 2, 2023
1/ Natural course of health & well-being in non-hospitalised children & young people after testing for SARS-CoV-2

"Some test-positives & test-negatives reported adverse symptoms for the first time at 6- & 12-months post-test, suggesting multiple causes."

thelancet.com/journals/lanep…
2/ "The broadly similar pattern of adverse health and well-being reported as new-onset at 6- and 12 months among test-positives and test-negatives highlights the non-specific nature of these symptoms and suggests that multiple aetiologies may be responsible."
3/ Related reading:

Efficacy of Vaccination on Symptoms of Patients With Long COVID


Immunoglobulin signature predicts risk of post-acute COVID-19 syndrome
Read 4 tweets

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