There are thousands of fears, from arachnophobia to globophobia (fear of balloons) to zoophobia (fear of animals). What might the fear of market illiquidity look like? Say that you are petrified that a day will come when markets will be too illiquid for you to convert your wealth into the things you need. There are two ways for you to buy complete peace of mind. The first strategy involves selling everything you own now and buying checking deposits, the sine qua non liquid asset. Get rid of the house, the bonds, the stocks, the car, your couch, and your books. Use some of the proceeds to rent a house and a car, borrow books, and lease furniture. In renting back the stream of consumption benefits that you've just sold, your level of consumption stays constant. Negotiate the rental arrangements so that the lessor—the owner—cannot cancel them, and so that you can walk out of them at a moment's notice. Structuring things this way ensures that rental obligations in no way inhib...