“...We investigate whether there are systematic jumps in stock prices using the Brownian motion approach and Poisson processes to test diffusion and jump risk,...”

“...Spurious (nonsensical) regressions with independent random walks or even with stationary series are well known. However, how their spuriosity is affected by...”

“...The notion of formalizing the informal sector in Zimbabwe is not new however; this paper asserts that although much is known on the subject, considerably...”

“...We investigate whether there are systematic jumps in stock prices using the Brownian motion approach and Poisson processes to test diffusion and jump risk,...”