Book Review: Market Liquidity Risk

 

Book Review: Market Liquidity Risk

Liquidity is ephemeral, and difficult to define. The first real article at my blog was about liquidity, and the three things that liquidity can mean, notably: the ability to:

  • Enter into large or exit from commitments to risk assets cheaply (cost)
  • Borrow at tight credit spreads compared to the safest borrowers
  • Make large adjustments to their asset allocations rapidly (speed)

Most of these phenomena can be observed without complex models. Ask yourself:

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  • Is credit growing rapidly?
  • Are the exchanges moving turning over stocks more rapidly?
  • Are credit spreads tight?
  • Have credit terms and conditions deteriorated?
  • Do lenders care more about volume of lending than quality of lending?

My bias is that I think most of the academic mathematical models of liquidity risk are overly technical, and tend to obscure liquidity conditions rather than reveal what is going on. You may disagree with that view.

But unless you disagree with that view and you like math, this book will not be worth a lot to you. Yes, there are qualitative sections, and they are good. For example, the beginning of chapter 2 is very good at illustrating the paradoxical nature of liquidity. Chapters 1-3 would have made a very good qualitative monograph on liquidity — but it would be so small that you couldn’t charge $80+ for it.

Chapters 4-6 will only be useful to the mathematically inclined. I’m dubious that they even be useful then, because much of it is calculus, which does not do well with discontinuous events such as market panics. (You would have thought that the quants on Wall Street would have learned by now, but no…) Even if the models did work, there are simpler ways to see the same things, as I pointed out above.

As such, I really can’t recommend the book, and at $80+ the price is a lot more expensive than the free Monograph from the CFA Institute “The New Economics of Liquidity and Financial Frictions.” [PDF] Read that, not this, and save liquidity.

Market Liquidity Risk – Quibbles

The book could have used a better editor. Too many typos in the introductory chapters.

Market Liquidity Risk Summary / Who Would Benefit from this Book

If you are a math nerd, and want to pay a lot of money to buy a book that I think will at least partially mislead you on liquidity risk, then this is the book for you. If you want to buy it, you can buy it here: Market Liquidity Risk.

Full disclosure: I received a copy from a friendly PR flack.

If you enter Amazon through my site, and you buy anything, I get a small commission. This is my main source of blog revenue. I prefer this to a “tip jar” because I want you to get something you want, rather than merely giving me a tip. Book reviews take time, particularly with the reading, which most book reviewers don’t do in full, and I typically do. (When I don’t, I mention that I scanned the book. Also, I never use the data that the PR flacks send out.)

Most people buying at Amazon do not enter via a referring website. Thus Amazon builds an extra 1-3% into the prices to all buyers to compensate for the commissions given to the minority that come through referring sites. Whether you buy at Amazon directly or enter via my site, your prices don’t change.

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David J. Merkel, CFA, FSA — 2010-present, I am working on setting up my own equity asset management shop, tentatively called Aleph Investments. It is possible that I might do a joint venture with someone else if we can do more together than separately. From 2008-2010, I was the Chief Economist and Director of Research of Finacorp Securities. I did a many things for Finacorp, mainly research and analysis on a wide variety of fixed income and equity securities, and trading strategies. Until 2007, I was a senior investment analyst at Hovde Capital, responsible for analysis and valuation of investment opportunities for the FIP funds, particularly of companies in the insurance industry. I also managed the internal profit sharing and charitable endowment monies of the firm. From 2003-2007, I was a leading commentator at the investment website RealMoney.com. Back in 2003, after several years of correspondence, James Cramer invited me to write for the site, and I wrote for RealMoney on equity and bond portfolio management, macroeconomics, derivatives, quantitative strategies, insurance issues, corporate governance, etc. My specialty is looking at the interlinkages in the markets in order to understand individual markets better. I no longer contribute to RealMoney; I scaled it back because my work duties have gotten larger, and I began this blog to develop a distinct voice with a wider distribution. After three-plus year of operation, I believe I have achieved that. Prior to joining Hovde in 2003, I managed corporate bonds for Dwight Asset Management. In 1998, I joined the Mount Washington Investment Group as the Mortgage Bond and Asset Liability manager after working with Provident Mutual, AIG and Pacific Standard Life. My background as a life actuary has given me a different perspective on investing. How do you earn money without taking undue risk? How do you convey ideas about investing while showing a proper level of uncertainty on the likelihood of success? How do the various markets fit together, telling us us a broader story than any single piece? These are the themes that I will deal with in this blog. I hold bachelor’s and master’s degrees from Johns Hopkins University. In my spare time, I take care of our eight children with my wonderful wife Ruth.