You need to read the Ronald Coase theorem and examine what he wrote about transaction costs. What happens with a currency that bears a regular charge based upon the writings of Silvio Gesell is the rate of exchange multiplies such that the cost of each exchange drops precipitously.

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With a time-as-money system of exchange you must maintain so many units of exchange per participant in circulation. You must have pumps and pulls – I.E. - some formalized method of putting currency into circulation while using a time based charge to pull currency out of circulation. Quantity of circulating media is maintained at a ratio to population demographics.

Hypothecation of promissory notes is a recognized method of placing currency into circulation, and in addition I propose subsidies for food production enterprises thus validating the over-active tabby's statement.

Ronald Coase also recognized the need for formalized property rights in economics; this simply expressed position is the largest failure in socialized societies. China has yet to generally recognize the need for property rights.