this paper using endogenous growth models based on research and development, has investigated two economic relations in three groups of countries included developed countries, developing countries and a mixed group of both mentioned ones. at first, the effects of r&d; activities on patent growth have examined and then the relation between volume of patent and growth rate in these groups has sur...

Though economic growth has improved in recent years in Nigeria, there has been no evidence of significant manufacturing exports. A critical input that enables capacity for export is investment in technology especially at the firm-level. This study investigates investment in technology by firms in Southwest Nigeria and how technology investment related factors affect the export potential of firm...

The study of memory for event duration in pigeons has, for the most part, centered on an unusual behavioral phenomenon and an interesting theoretical explanation for it. A typical experiment on memory for event duration involves trials initiated by a sample stimulus that is either short or long in duration (e.g., 2 vs. 10 sec of houselight) and that is later followed by the simultaneous present...

This paper applies real options analytic framework to firms’ investment activity in information security technology and then a dynamic analysis of information security investment is explored by extending Gordon-Loeb (2002). The current research provides how firms have to respond to immediate or remote threat numerically. It shows that although positive drift of threat causes both larger and lat...