We present a careful analysis of possible issues of the application of the self-excited Hawkes process to high-frequency financial data and carefully analyze a set of effects that lead to significant biases in the estimation of the "criticality index'' n that quantifies the degree of endogeneity...

The study hypothesized the existence of regime shifts in the conduct of monetary policy, occasioned by changing liquidity conditions in the domestic banking system in Nigeria. Within the context of this prognosis, the study tests the stability of the money multiplier, utilizing methodological...