n African Finance Journal - Government deposits at the Central Bank and monetary policy operations in a monetary targeting framework : a threshold autoregressive model for Kenya




The study employs a threshold autoregressive (TAR) model to estimate the level of government deposits at the Central Bank of Kenya (CBK), which triggers a regime change in monetary policy operations / liquidity management. The TAR model is applied on daily data during the period November 30, 2005 to August 10, 2010 and it establishes a threshold level of government deposits at CBK as Ksh 46,665 million with a delay parameter of 1 day. The threshold estimate is useful for cash planning and liquidity management by the CBK and the Treasury. Though the study is Kenya-specific, this analysis can be applied in any country in Sub-Saharan Africa where the interbank market is not well developed and government cashflows have significant effect on banking sector liquidity.


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