several levels. The diffusion of planting genetically modified organisms (GMOs) has grown since 1996, notably in the United … biotechnology in Brazil. This study presents two epidemic models of technology diffusion: exponential (central source) and logistic … (contagion). The results obtained suggest that the diffusion process is best described by a logistic function. Although the study …

several levels. The diffusion of planting genetically modified organisms (GMOs) has grown since 1996, notably in the United … biotechnology in Brazil. This study presents two epidemic models of technology diffusion: exponential (central source) and logistic … (contagion). The results obtained suggest that the diffusion process is best described by a logistic function. Although the study …

must be careful with the stability and the possible asymmetry of Okun’s Law. We apply these ideas to the Portuguese economy … in order to obtain an estimated Okun Law. We can conclude by the temporal stability of a dynamic formulation of the Law …

investment. Next, we define the unifying principle behind the analyses of these different approaches as regards the stability of …

problems of re-switching of techniques raised by the "Capital Controversy", which are only relevant for the stability of the …