@techreport{NBERw0912,
 title = "Optimal Control of the Money Supply",
 author = "Robert B. Litterman",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "912",
 year = "1982",
 month = "June",
 URL = "http://www.nber.org/papers/w0912",
 abstract = {Using optimal control theory and a vector autoregressive representation of the relationship between money and interest rates, one can derive a feedback control procedure which defines the best possible tradeoff between interest rate volatility and money supply fluctuations and which could be used to reduce both from their current levels.},
}