SECRETARY to the Treasury Felix Nkulukusa has attributed the oversubscription to Bank of Zambia treasury bills to improved investor confidence in the country. The BOZ treasury bill auction last week was oversubscribed after receiving bids amounting to over K2.44 billion against an offer of K2 billion. In an interview, Thursday, Nkulukusa said due to the stable environment, every investor wanted to inject money into Zambia because of the assured return on their investment. “Over subscriptions basically mean that there are more people that want to invest in Zambia, these are portfolio investors – it means there are more people who want to invest in Zambia. In economics we say there is the law of supply and demand [and] what brings...